date-and-time - npm Package Compare versions

Comparing version 3.0.3 to 3.1.0

esm/plugin/timezone.es.js

@@ -12,2 +12,448 @@ /**
     var pattern = date.compile('M/D/Y, h:mm:ss A');
+    var timeZones = {
+        africa: {
+            abidjan: [0, -968],
+            accra: [0, -968],
+            addis_ababa: [10800, 9900, 9000, 8836],
+            algiers: [7200, 3600, 732, 561, 0],
+            asmara: [10800, 9900, 9000, 8836],
+            bamako: [0, -968],
+            bangui: [3600, 1800, 815, 0],
+            banjul: [0, -968],
+            bissau: [0, -3600, -3740],
+            blantyre: [7820, 7200],
+            brazzaville: [3600, 1800, 815, 0],
+            bujumbura: [7820, 7200],
+            cairo: [10800, 7509, 7200],
+            casablanca: [3600, 0, -1820],
+            ceuta: [7200, 3600, 0, -1276],
+            conakry: [0, -968],
+            dakar: [0, -968],
+            dar_es_salaam: [10800, 9900, 9000, 8836],
+            djibouti: [10800, 9900, 9000, 8836],
+            douala: [3600, 1800, 815, 0],
+            el_aaiun: [3600, 0, -3168, -3600],
+            freetown: [0, -968],
+            gaborone: [7820, 7200],
+            harare: [7820, 7200],
+            johannesburg: [10800, 7200, 6720, 5400],
+            juba: [10800, 7588, 7200],
+            kampala: [10800, 9900, 9000, 8836],
+            khartoum: [10800, 7808, 7200],
+            kigali: [7820, 7200],
+            kinshasa: [3600, 1800, 815, 0],
+            lagos: [3600, 1800, 815, 0],
+            libreville: [3600, 1800, 815, 0],
+            lome: [0, -968],
+            luanda: [3600, 1800, 815, 0],
+            lubumbashi: [7820, 7200],
+            lusaka: [7820, 7200],
+            malabo: [3600, 1800, 815, 0],
+            maputo: [7820, 7200],
+            maseru: [10800, 7200, 6720, 5400],
+            mbabane: [10800, 7200, 6720, 5400],
+            mogadishu: [10800, 9900, 9000, 8836],
+            monrovia: [0, -2588, -2670],
+            nairobi: [10800, 9900, 9000, 8836],
+            ndjamena: [7200, 3612, 3600],
+            niamey: [3600, 1800, 815, 0],
+            nouakchott: [0, -968],
+            ouagadougou: [0, -968],
+            'porto-novo': [3600, 1800, 815, 0],
+            sao_tome: [3600, 1616, 0, -2205],
+            tripoli: [7200, 3600, 3164],
+            tunis: [7200, 3600, 2444, 561],
+            windhoek: [10800, 7200, 5400, 4104, 3600]
+        },
+        america: {
+            adak: [44002, -32400, -36000, -39600, -42398],
+            anchorage: [50424, -28800, -32400, -35976, -36000],
+            anguilla: [-10800, -14400, -15865],
+            antigua: [-10800, -14400, -15865],
+            araguaina: [-7200, -10800, -11568],
+            argentina: {
+                buenos_aires: [-7200, -10800, -14028, -14400, -15408],
+                catamarca: [-7200, -10800, -14400, -15408, -15788],
+                cordoba: [-7200, -10800, -14400, -15408],
+                jujuy: [-7200, -10800, -14400, -15408, -15672],
+                la_rioja: [-7200, -10800, -14400, -15408, -16044],
+                mendoza: [-7200, -10800, -14400, -15408, -16516],
+                rio_gallegos: [-7200, -10800, -14400, -15408, -16612],
+                salta: [-7200, -10800, -14400, -15408, -15700],
+                san_juan: [-7200, -10800, -14400, -15408, -16444],
+                san_luis: [-7200, -10800, -14400, -15408, -15924],
+                tucuman: [-7200, -10800, -14400, -15408, -15652],
+                ushuaia: [-7200, -10800, -14400, -15408, -16392]
+            },
+            aruba: [-10800, -14400, -15865],
+            asuncion: [-10800, -13840, -14400],
+            atikokan: [-18000, -19088, -19176],
+            bahia_banderas: [-18000, -21600, -25200, -25260, -28800],
+            bahia: [-7200, -9244, -10800],
+            barbados: [-10800, -12600, -14309, -14400],
+            belem: [-7200, -10800, -11636],
+            belize: [-18000, -19800, -21168, -21600],
+            'blanc-sablon': [-10800, -14400, -15865],
+            boa_vista: [-10800, -14400, -14560],
+            bogota: [-14400, -17776, -18000],
+            boise: [-21600, -25200, -27889, -28800],
+            cambridge_bay: [0, -18000, -21600, -25200],
+            campo_grande: [-10800, -13108, -14400],
+            cancun: [-14400, -18000, -20824, -21600],
+            caracas: [-14400, -16060, -16064, -16200],
+            cayenne: [-10800, -12560, -14400],
+            cayman: [-18000, -19088, -19176],
+            chicago: [-18000, -21036, -21600],
+            chihuahua: [-18000, -21600, -25200, -25460],
+            ciudad_juarez: [-18000, -21600, -25200, -25556],
+            costa_rica: [-18000, -20173, -21600],
+            creston: [-21600, -25200, -26898],
+            cuiaba: [-10800, -13460, -14400],
+            curacao: [-10800, -14400, -15865],
+            danmarkshavn: [0, -4480, -7200, -10800],
+            dawson: [-25200, -28800, -32400, -33460],
+            dawson_creek: [-25200, -28800, -28856],
+            denver: [-21600, -25196, -25200],
+            detroit: [-14400, -18000, -19931, -21600],
+            dominica: [-10800, -14400, -15865],
+            edmonton: [-21600, -25200, -27232],
+            eirunepe: [-14400, -16768, -18000],
+            el_salvador: [-18000, -21408, -21600],
+            fortaleza: [-7200, -9240, -10800],
+            fort_nelson: [-25200, -28800, -29447],
+            glace_bay: [-10800, -14388, -14400],
+            goose_bay: [-7200, -9000, -9052, -10800, -12600, -12652, -14400, -14500],
+            grand_turk: [-14400, -17072, -18000, -18430],
+            grenada: [-10800, -14400, -15865],
+            guadeloupe: [-10800, -14400, -15865],
+            guatemala: [-18000, -21600, -21724],
+            guayaquil: [-14400, -18000, -18840, -19160],
+            guyana: [-10800, -13500, -13959, -14400],
+            halifax: [-10800, -14400, -15264],
+            havana: [-14400, -18000, -19768, -19776],
+            hermosillo: [-21600, -25200, -26632, -28800],
+            indiana: {
+                indianapolis: [-14400, -18000, -20678, -21600],
+                knox: [-18000, -20790, -21600],
+                marengo: [-14400, -18000, -20723, -21600],
+                petersburg: [-14400, -18000, -20947, -21600],
+                tell_city: [-14400, -18000, -20823, -21600],
+                vevay: [-14400, -18000, -20416, -21600],
+                vincennes: [-14400, -18000, -21007, -21600],
+                winamac: [-14400, -18000, -20785, -21600]
+            },
+            inuvik: [0, -21600, -25200, -28800],
+            iqaluit: [0, -14400, -18000, -21600],
+            jamaica: [-14400, -18000, -18430],
+            juneau: [54139, -25200, -28800, -32261, -32400],
+            kentucky: {
+                louisville: [-14400, -18000, -20582, -21600],
+                monticello: [-14400, -18000, -20364, -21600]
+            },
+            kralendijk: [-10800, -14400, -15865],
+            la_paz: [-12756, -14400, -16356],
+            lima: [-14400, -18000, -18492, -18516],
+            los_angeles: [-25200, -28378, -28800],
+            lower_princes: [-10800, -14400, -15865],
+            maceio: [-7200, -8572, -10800],
+            managua: [-18000, -20708, -20712, -21600],
+            manaus: [-10800, -14400, -14404],
+            marigot: [-10800, -14400, -15865],
+            martinique: [-10800, -14400, -14660],
+            matamoros: [-18000, -21600, -23400],
+            mazatlan: [-21600, -25200, -25540, -28800],
+            menominee: [-18000, -21027, -21600],
+            merida: [-18000, -21508, -21600],
+            metlakatla: [54822, -25200, -28800, -31578, -32400],
+            mexico_city: [-18000, -21600, -23796, -25200],
+            miquelon: [-7200, -10800, -13480, -14400],
+            moncton: [-10800, -14400, -15548, -18000],
+            monterrey: [-18000, -21600, -24076],
+            montevideo: [-5400, -7200, -9000, -10800, -12600, -13491, -14400],
+            montserrat: [-10800, -14400, -15865],
+            nassau: [-14400, -18000, -19052],
+            new_york: [-14400, -17762, -18000],
+            nome: [46702, -28800, -32400, -36000, -39600, -39698],
+            noronha: [-3600, -7200, -7780],
+            north_dakota: {
+                beulah: [-18000, -21600, -24427, -25200],
+                center: [-18000, -21600, -24312, -25200],
+                new_salem: [-18000, -21600, -24339, -25200]
+            },
+            nuuk: [-3600, -7200, -10800, -12416],
+            ojinaga: [-18000, -21600, -25060, -25200],
+            panama: [-18000, -19088, -19176],
+            paramaribo: [-10800, -12600, -13236, -13240, -13252],
+            phoenix: [-21600, -25200, -26898],
+            'port-au-prince': [-14400, -17340, -17360, -18000],
+            port_of_spain: [-10800, -14400, -15865],
+            porto_velho: [-10800, -14400, -15336],
+            puerto_rico: [-10800, -14400, -15865],
+            punta_arenas: [-10800, -14400, -16965, -17020, -18000],
+            rankin_inlet: [0, -18000, -21600],
+            recife: [-7200, -8376, -10800],
+            regina: [-21600, -25116, -25200],
+            resolute: [0, -18000, -21600],
+            rio_branco: [-14400, -16272, -18000],
+            santarem: [-10800, -13128, -14400],
+            santiago: [-10800, -14400, -16965, -18000],
+            santo_domingo: [-14400, -16200, -16776, -16800, -18000],
+            sao_paulo: [-7200, -10800, -11188],
+            scoresbysund: [0, -3600, -5272, -7200],
+            sitka: [53927, -25200, -28800, -32400, -32473],
+            st_barthelemy: [-10800, -14400, -15865],
+            st_johns: [-5400, -9000, -9052, -12600, -12652],
+            st_kitts: [-10800, -14400, -15865],
+            st_lucia: [-10800, -14400, -15865],
+            st_thomas: [-10800, -14400, -15865],
+            st_vincent: [-10800, -14400, -15865],
+            swift_current: [-21600, -25200, -25880],
+            tegucigalpa: [-18000, -20932, -21600],
+            thule: [-10800, -14400, -16508],
+            tijuana: [-25200, -28084, -28800],
+            toronto: [-14400, -18000, -19052],
+            tortola: [-10800, -14400, -15865],
+            vancouver: [-25200, -28800, -29548],
+            whitehorse: [-25200, -28800, -32400, -32412],
+            winnipeg: [-18000, -21600, -23316],
+            yakutat: [52865, -28800, -32400, -33535]
+        },
+        antarctica: {
+            casey: [39600, 28800, 0],
+            davis: [25200, 18000, 0],
+            dumontdurville: [36000, 35320, 35312],
+            macquarie: [39600, 36000, 0],
+            mawson: [21600, 18000, 0],
+            mcmurdo: [46800, 45000, 43200, 41944, 41400],
+            palmer: [0, -7200, -10800, -14400],
+            rothera: [0, -10800],
+            syowa: [11212, 10800],
+            troll: [7200, 0],
+            vostok: [25200, 18000, 0]
+        },
+        arctic: { longyearbyen: [10800, 7200, 3600, 3208] },
+        asia: {
+            aden: [11212, 10800],
+            almaty: [25200, 21600, 18468, 18000],
+            amman: [10800, 8624, 7200],
+            anadyr: [50400, 46800, 43200, 42596, 39600],
+            aqtau: [21600, 18000, 14400, 12064],
+            aqtobe: [21600, 18000, 14400, 13720],
+            ashgabat: [21600, 18000, 14400, 14012],
+            atyrau: [21600, 18000, 14400, 12464, 10800],
+            baghdad: [14400, 10800, 10660, 10656],
+            bahrain: [14400, 12368, 10800],
+            baku: [18000, 14400, 11964, 10800],
+            bangkok: [25200, 24124],
+            barnaul: [28800, 25200, 21600, 20100],
+            beirut: [10800, 8520, 7200],
+            bishkek: [25200, 21600, 18000, 17904],
+            brunei: [32400, 30000, 28800, 27000, 26480],
+            chita: [36000, 32400, 28800, 27232],
+            choibalsan: [36000, 32400, 28800, 27480, 25200],
+            colombo: [23400, 21600, 19800, 19172, 19164],
+            damascus: [10800, 8712, 7200],
+            dhaka: [25200, 23400, 21700, 21600, 21200, 19800],
+            dili: [32400, 30140, 28800],
+            dubai: [14400, 13272],
+            dushanbe: [25200, 21600, 18000, 16512],
+            famagusta: [10800, 8148, 7200],
+            gaza: [10800, 8272, 7200],
+            hebron: [10800, 8423, 7200],
+            ho_chi_minh: [32400, 28800, 25590, 25200],
+            hong_kong: [32400, 30600, 28800, 27402],
+            hovd: [28800, 25200, 21996, 21600],
+            irkutsk: [32400, 28800, 25200, 25025],
+            jakarta: [32400, 28800, 27000, 26400, 25632, 25200],
+            jayapura: [34200, 33768, 32400],
+            jerusalem: [14400, 10800, 8454, 8440, 7200],
+            kabul: [16608, 16200, 14400],
+            kamchatka: [46800, 43200, 39600, 38076],
+            karachi: [23400, 21600, 19800, 18000, 16092],
+            kathmandu: [20700, 20476, 19800],
+            khandyga: [39600, 36000, 32533, 32400, 28800],
+            kolkata: [23400, 21208, 21200, 19800, 19270],
+            krasnoyarsk: [28800, 25200, 22286, 21600],
+            kuala_lumpur: [32400, 28800, 27000, 26400, 25200, 24925],
+            kuching: [32400, 30000, 28800, 27000, 26480],
+            kuwait: [11212, 10800],
+            macau: [36000, 32400, 28800, 27250],
+            magadan: [43200, 39600, 36192, 36000],
+            makassar: [32400, 28800, 28656],
+            manila: [32400, 29040, 28800, -57360],
+            muscat: [14400, 13272],
+            nicosia: [10800, 8008, 7200],
+            novokuznetsk: [28800, 25200, 21600, 20928],
+            novosibirsk: [28800, 25200, 21600, 19900],
+            omsk: [25200, 21600, 18000, 17610],
+            oral: [21600, 18000, 14400, 12324, 10800],
+            phnom_penh: [25200, 24124],
+            pontianak: [32400, 28800, 27000, 26240, 25200],
+            pyongyang: [32400, 30600, 30180],
+            qatar: [14400, 12368, 10800],
+            qostanay: [21600, 18000, 15268, 14400],
+            qyzylorda: [21600, 18000, 15712, 14400],
+            riyadh: [11212, 10800],
+            sakhalin: [43200, 39600, 36000, 34248, 32400],
+            samarkand: [21600, 18000, 16073, 14400],
+            seoul: [36000, 34200, 32400, 30600, 30472],
+            shanghai: [32400, 29143, 28800],
+            singapore: [32400, 28800, 27000, 26400, 25200, 24925],
+            srednekolymsk: [43200, 39600, 36892, 36000],
+            taipei: [32400, 29160, 28800],
+            tashkent: [25200, 21600, 18000, 16631],
+            tbilisi: [18000, 14400, 10800, 10751],
+            tehran: [18000, 16200, 14400, 12600, 12344],
+            thimphu: [21600, 21516, 19800],
+            tokyo: [36000, 33539, 32400],
+            tomsk: [28800, 25200, 21600, 20391],
+            ulaanbaatar: [32400, 28800, 25652, 25200],
+            urumqi: [21600, 21020],
+            'ust-nera': [43200, 39600, 36000, 34374, 32400, 28800],
+            vientiane: [25200, 24124],
+            vladivostok: [39600, 36000, 32400, 31651],
+            yakutsk: [36000, 32400, 31138, 28800],
+            yangon: [32400, 23400, 23087],
+            yekaterinburg: [21600, 18000, 14553, 14400, 13505],
+            yerevan: [18000, 14400, 10800, 10680]
+        },
+        atlantic: {
+            azores: [0, -3600, -6160, -6872, -7200],
+            bermuda: [-10800, -11958, -14400, -15558],
+            canary: [3600, 0, -3600, -3696],
+            cape_verde: [-3600, -5644, -7200],
+            faroe: [3600, 0, -1624],
+            madeira: [3600, 0, -3600, -4056],
+            reykjavik: [0, -968],
+            south_georgia: [-7200, -8768],
+            stanley: [-7200, -10800, -13884, -14400],
+            st_helena: [0, -968]
+        },
+        australia: {
+            adelaide: [37800, 34200, 33260, 32400],
+            brisbane: [39600, 36728, 36000],
+            broken_hill: [37800, 36000, 34200, 33948, 32400],
+            darwin: [37800, 34200, 32400, 31400],
+            eucla: [35100, 31500, 30928],
+            hobart: [39600, 36000, 35356],
+            lindeman: [39600, 36000, 35756],
+            lord_howe: [41400, 39600, 38180, 37800, 36000],
+            melbourne: [39600, 36000, 34792],
+            perth: [32400, 28800, 27804],
+            sydney: [39600, 36292, 36000]
+        },
+        europe: {
+            amsterdam: [7200, 3600, 1050, 0],
+            andorra: [7200, 3600, 364, 0],
+            astrakhan: [18000, 14400, 11532, 10800],
+            athens: [10800, 7200, 5692, 3600],
+            belgrade: [7200, 4920, 3600],
+            berlin: [10800, 7200, 3600, 3208],
+            bratislava: [7200, 3600, 3464, 0],
+            brussels: [7200, 3600, 1050, 0],
+            bucharest: [10800, 7200, 6264],
+            budapest: [7200, 4580, 3600],
+            busingen: [7200, 3600, 2048, 1786],
+            chisinau: [14400, 10800, 7200, 6920, 6900, 6264, 3600],
+            copenhagen: [10800, 7200, 3600, 3208],
+            dublin: [3600, 2079, 0, -1521],
+            gibraltar: [7200, 3600, 0, -1284],
+            guernsey: [7200, 3600, 0, -75],
+            helsinki: [10800, 7200, 5989],
+            isle_of_man: [7200, 3600, 0, -75],
+            istanbul: [14400, 10800, 7200, 7016, 6952],
+            jersey: [7200, 3600, 0, -75],
+            kaliningrad: [14400, 10800, 7200, 4920, 3600],
+            kirov: [18000, 14400, 11928, 10800],
+            kyiv: [14400, 10800, 7324, 7200, 3600],
+            lisbon: [7200, 3600, 0, -2205],
+            ljubljana: [7200, 4920, 3600],
+            london: [7200, 3600, 0, -75],
+            luxembourg: [7200, 3600, 1050, 0],
+            madrid: [7200, 3600, 0, -884],
+            malta: [7200, 3600, 3484],
+            mariehamn: [10800, 7200, 5989],
+            minsk: [14400, 10800, 7200, 6616, 6600, 3600],
+            monaco: [7200, 3600, 561, 0],
+            moscow: [18000, 16279, 14400, 12679, 10800, 9079, 9017, 7200],
+            oslo: [10800, 7200, 3600, 3208],
+            paris: [7200, 3600, 561, 0],
+            podgorica: [7200, 4920, 3600],
+            prague: [7200, 3600, 3464, 0],
+            riga: [14400, 10800, 9394, 7200, 5794, 3600],
+            rome: [7200, 3600, 2996],
+            samara: [18000, 14400, 12020, 10800],
+            san_marino: [7200, 3600, 2996],
+            sarajevo: [7200, 4920, 3600],
+            saratov: [18000, 14400, 11058, 10800],
+            simferopol: [14400, 10800, 8184, 8160, 7200, 3600],
+            skopje: [7200, 4920, 3600],
+            sofia: [10800, 7200, 7016, 5596, 3600],
+            stockholm: [10800, 7200, 3600, 3208],
+            tallinn: [14400, 10800, 7200, 5940, 3600],
+            tirane: [7200, 4760, 3600],
+            ulyanovsk: [18000, 14400, 11616, 10800, 7200],
+            vaduz: [7200, 3600, 2048, 1786],
+            vatican: [7200, 3600, 2996],
+            vienna: [7200, 3921, 3600],
+            vilnius: [14400, 10800, 7200, 6076, 5736, 5040, 3600],
+            volgograd: [18000, 14400, 10800, 10660],
+            warsaw: [10800, 7200, 5040, 3600],
+            zagreb: [7200, 4920, 3600],
+            zurich: [7200, 3600, 2048, 1786]
+        },
+        indian: {
+            antananarivo: [10800, 9900, 9000, 8836],
+            chagos: [21600, 18000, 17380],
+            christmas: [25200, 24124],
+            cocos: [32400, 23400, 23087],
+            comoro: [10800, 9900, 9000, 8836],
+            kerguelen: [18000, 17640],
+            mahe: [14400, 13272],
+            maldives: [18000, 17640],
+            mauritius: [18000, 14400, 13800],
+            mayotte: [10800, 9900, 9000, 8836],
+            reunion: [14400, 13272]
+        },
+        pacific: {
+            apia: [50400, 46800, 45184, -36000, -39600, -41216, -41400],
+            auckland: [46800, 45000, 43200, 41944, 41400],
+            bougainville: [39600, 37336, 36000, 35312, 32400],
+            chatham: [49500, 45900, 44100, 44028],
+            chuuk: [36000, 35320, 35312],
+            easter: [-18000, -21600, -25200, -26248],
+            efate: [43200, 40396, 39600],
+            fakaofo: [46800, -39600, -41096],
+            fiji: [46800, 43200, 42944],
+            funafuti: [43200, 41524],
+            galapagos: [-18000, -21504, -21600],
+            gambier: [-32388, -32400],
+            guadalcanal: [39600, 38388],
+            guam: [39600, 36000, 34740, 32400, -51660],
+            honolulu: [-34200, -36000, -37800, -37886],
+            kanton: [46800, 0, -39600, -43200],
+            kiritimati: [50400, -36000, -37760, -38400],
+            kosrae: [43200, 39600, 39116, 36000, 32400, -47284],
+            kwajalein: [43200, 40160, 39600, 36000, 32400, -43200],
+            majuro: [43200, 41524],
+            marquesas: [-33480, -34200],
+            midway: [45432, -39600, -40968],
+            nauru: [43200, 41400, 40060, 32400],
+            niue: [-39600, -40780, -40800],
+            norfolk: [45000, 43200, 41400, 40320, 40312, 39600],
+            noumea: [43200, 39948, 39600],
+            pago_pago: [45432, -39600, -40968],
+            palau: [32400, 32276, -54124],
+            pitcairn: [-28800, -30600, -31220],
+            pohnpei: [39600, 38388],
+            port_moresby: [36000, 35320, 35312],
+            rarotonga: [48056, -34200, -36000, -37800, -38344],
+            saipan: [39600, 36000, 34740, 32400, -51660],
+            tahiti: [-35896, -36000],
+            tarawa: [43200, 41524],
+            tongatapu: [50400, 46800, 44400, 44352],
+            wake: [43200, 41524],
+            wallis: [43200, 41524]
+        }
+    };
     var formatTZ = function (dateObj, arg, timeZone) {
@@ -25,12 +471,7 @@ options.timeZone = 'UTC';
     };
-    var adjustments = [
-        -60, -30, -20,
-        0,
-        60, 30, 20
-    ];
     var parseTZ = function (dateString, arg, timeZone) {
         var pattern2 = typeof arg === 'string' ? date.compile(arg) : arg;
-        var dateObj = localized_date.parse(dateString, pattern2, true);
+        var dateObj = localized_date.parse(dateString, pattern2, !!timeZone);
 
-        if (~date._parser.find(pattern2, 'ZZ').value) {
+        if (!timeZone || ~date._parser.find(pattern2, 'ZZ').value || timeZone.toLowerCase() === 'utc') {
             return dateObj;
@@ -41,9 +482,12 @@ }
         var dateTimeFormat = new Intl.DateTimeFormat('en-US', options);
-        var dateObj2 = date.addMilliseconds(
-            date.parse(dateTimeFormat.format(dateObj), pattern, true),
-            dateObj.getMilliseconds()
-        );
-        var offset = dateObj.getTime() - dateObj2.getTime();
-        var dateString2 = date.format(localized_date.parse(dateString, pattern2), pattern);
+        var dateString2 = date.format(dateObj, pattern, true);
+        var offset = (function () {
+            var keys = timeZone.toLowerCase().split('/');
+            var value = timeZones[keys[0]] || {};
 
+            for (var i = 1, len = keys.length; i < len; i++) {
+                value = value[keys[i]] || {};
+            }
+            return Array.isArray(value) ? value : [];
+        })();
         var comparer = function (d) {
@@ -53,7 +497,6 @@ return dateString2 === dateTimeFormat.format(d).replace(/[\u202f]/, ' ');
 
-        // Trying to adjust for daylight saving time.
-        for (var j = 0, len2 = adjustments.length; j < len2; j++) {
-            var d = date.addMilliseconds(dateObj, offset + adjustments[j] * 60000);
+        for (var j = 0, len2 = offset.length; j < len2; j++) {
+            var d = dateObj.getTime() - offset[j] * 1000;
             if (comparer(d)) {
-                return d;
+                return new Date(d);
             }
@@ -60,0 +503,0 @@ }

package.json

 {
   "name": "date-and-time",
-  "version": "3.0.3",
+  "version": "3.1.0",
   "description": "A Minimalist DateTime utility for Node.js and the browser",
@@ -52,8 +52,8 @@ "main": "date-and-time.js",
   "devDependencies": {
-    "@rollup/plugin-terser": "^0.4.3",
+    "@rollup/plugin-terser": "^0.4.4",
     "expect.js": "^0.3.1",
     "mocha": "^10.2.0",
-    "rollup": "^3.29.2",
-    "tsd": "^0.29.0"
+    "rollup": "^4.9.4",
+    "tsd": "^0.30.3"
   }
 }

plugin/timezone.js

@@ -18,2 +18,448 @@ (function (global, factory) {
         var pattern = date.compile('M/D/Y, h:mm:ss A');
+        var timeZones = {
+            africa: {
+                abidjan: [0, -968],
+                accra: [0, -968],
+                addis_ababa: [10800, 9900, 9000, 8836],
+                algiers: [7200, 3600, 732, 561, 0],
+                asmara: [10800, 9900, 9000, 8836],
+                bamako: [0, -968],
+                bangui: [3600, 1800, 815, 0],
+                banjul: [0, -968],
+                bissau: [0, -3600, -3740],
+                blantyre: [7820, 7200],
+                brazzaville: [3600, 1800, 815, 0],
+                bujumbura: [7820, 7200],
+                cairo: [10800, 7509, 7200],
+                casablanca: [3600, 0, -1820],
+                ceuta: [7200, 3600, 0, -1276],
+                conakry: [0, -968],
+                dakar: [0, -968],
+                dar_es_salaam: [10800, 9900, 9000, 8836],
+                djibouti: [10800, 9900, 9000, 8836],
+                douala: [3600, 1800, 815, 0],
+                el_aaiun: [3600, 0, -3168, -3600],
+                freetown: [0, -968],
+                gaborone: [7820, 7200],
+                harare: [7820, 7200],
+                johannesburg: [10800, 7200, 6720, 5400],
+                juba: [10800, 7588, 7200],
+                kampala: [10800, 9900, 9000, 8836],
+                khartoum: [10800, 7808, 7200],
+                kigali: [7820, 7200],
+                kinshasa: [3600, 1800, 815, 0],
+                lagos: [3600, 1800, 815, 0],
+                libreville: [3600, 1800, 815, 0],
+                lome: [0, -968],
+                luanda: [3600, 1800, 815, 0],
+                lubumbashi: [7820, 7200],
+                lusaka: [7820, 7200],
+                malabo: [3600, 1800, 815, 0],
+                maputo: [7820, 7200],
+                maseru: [10800, 7200, 6720, 5400],
+                mbabane: [10800, 7200, 6720, 5400],
+                mogadishu: [10800, 9900, 9000, 8836],
+                monrovia: [0, -2588, -2670],
+                nairobi: [10800, 9900, 9000, 8836],
+                ndjamena: [7200, 3612, 3600],
+                niamey: [3600, 1800, 815, 0],
+                nouakchott: [0, -968],
+                ouagadougou: [0, -968],
+                'porto-novo': [3600, 1800, 815, 0],
+                sao_tome: [3600, 1616, 0, -2205],
+                tripoli: [7200, 3600, 3164],
+                tunis: [7200, 3600, 2444, 561],
+                windhoek: [10800, 7200, 5400, 4104, 3600]
+            },
+            america: {
+                adak: [44002, -32400, -36000, -39600, -42398],
+                anchorage: [50424, -28800, -32400, -35976, -36000],
+                anguilla: [-10800, -14400, -15865],
+                antigua: [-10800, -14400, -15865],
+                araguaina: [-7200, -10800, -11568],
+                argentina: {
+                    buenos_aires: [-7200, -10800, -14028, -14400, -15408],
+                    catamarca: [-7200, -10800, -14400, -15408, -15788],
+                    cordoba: [-7200, -10800, -14400, -15408],
+                    jujuy: [-7200, -10800, -14400, -15408, -15672],
+                    la_rioja: [-7200, -10800, -14400, -15408, -16044],
+                    mendoza: [-7200, -10800, -14400, -15408, -16516],
+                    rio_gallegos: [-7200, -10800, -14400, -15408, -16612],
+                    salta: [-7200, -10800, -14400, -15408, -15700],
+                    san_juan: [-7200, -10800, -14400, -15408, -16444],
+                    san_luis: [-7200, -10800, -14400, -15408, -15924],
+                    tucuman: [-7200, -10800, -14400, -15408, -15652],
+                    ushuaia: [-7200, -10800, -14400, -15408, -16392]
+                },
+                aruba: [-10800, -14400, -15865],
+                asuncion: [-10800, -13840, -14400],
+                atikokan: [-18000, -19088, -19176],
+                bahia_banderas: [-18000, -21600, -25200, -25260, -28800],
+                bahia: [-7200, -9244, -10800],
+                barbados: [-10800, -12600, -14309, -14400],
+                belem: [-7200, -10800, -11636],
+                belize: [-18000, -19800, -21168, -21600],
+                'blanc-sablon': [-10800, -14400, -15865],
+                boa_vista: [-10800, -14400, -14560],
+                bogota: [-14400, -17776, -18000],
+                boise: [-21600, -25200, -27889, -28800],
+                cambridge_bay: [0, -18000, -21600, -25200],
+                campo_grande: [-10800, -13108, -14400],
+                cancun: [-14400, -18000, -20824, -21600],
+                caracas: [-14400, -16060, -16064, -16200],
+                cayenne: [-10800, -12560, -14400],
+                cayman: [-18000, -19088, -19176],
+                chicago: [-18000, -21036, -21600],
+                chihuahua: [-18000, -21600, -25200, -25460],
+                ciudad_juarez: [-18000, -21600, -25200, -25556],
+                costa_rica: [-18000, -20173, -21600],
+                creston: [-21600, -25200, -26898],
+                cuiaba: [-10800, -13460, -14400],
+                curacao: [-10800, -14400, -15865],
+                danmarkshavn: [0, -4480, -7200, -10800],
+                dawson: [-25200, -28800, -32400, -33460],
+                dawson_creek: [-25200, -28800, -28856],
+                denver: [-21600, -25196, -25200],
+                detroit: [-14400, -18000, -19931, -21600],
+                dominica: [-10800, -14400, -15865],
+                edmonton: [-21600, -25200, -27232],
+                eirunepe: [-14400, -16768, -18000],
+                el_salvador: [-18000, -21408, -21600],
+                fortaleza: [-7200, -9240, -10800],
+                fort_nelson: [-25200, -28800, -29447],
+                glace_bay: [-10800, -14388, -14400],
+                goose_bay: [-7200, -9000, -9052, -10800, -12600, -12652, -14400, -14500],
+                grand_turk: [-14400, -17072, -18000, -18430],
+                grenada: [-10800, -14400, -15865],
+                guadeloupe: [-10800, -14400, -15865],
+                guatemala: [-18000, -21600, -21724],
+                guayaquil: [-14400, -18000, -18840, -19160],
+                guyana: [-10800, -13500, -13959, -14400],
+                halifax: [-10800, -14400, -15264],
+                havana: [-14400, -18000, -19768, -19776],
+                hermosillo: [-21600, -25200, -26632, -28800],
+                indiana: {
+                    indianapolis: [-14400, -18000, -20678, -21600],
+                    knox: [-18000, -20790, -21600],
+                    marengo: [-14400, -18000, -20723, -21600],
+                    petersburg: [-14400, -18000, -20947, -21600],
+                    tell_city: [-14400, -18000, -20823, -21600],
+                    vevay: [-14400, -18000, -20416, -21600],
+                    vincennes: [-14400, -18000, -21007, -21600],
+                    winamac: [-14400, -18000, -20785, -21600]
+                },
+                inuvik: [0, -21600, -25200, -28800],
+                iqaluit: [0, -14400, -18000, -21600],
+                jamaica: [-14400, -18000, -18430],
+                juneau: [54139, -25200, -28800, -32261, -32400],
+                kentucky: {
+                    louisville: [-14400, -18000, -20582, -21600],
+                    monticello: [-14400, -18000, -20364, -21600]
+                },
+                kralendijk: [-10800, -14400, -15865],
+                la_paz: [-12756, -14400, -16356],
+                lima: [-14400, -18000, -18492, -18516],
+                los_angeles: [-25200, -28378, -28800],
+                lower_princes: [-10800, -14400, -15865],
+                maceio: [-7200, -8572, -10800],
+                managua: [-18000, -20708, -20712, -21600],
+                manaus: [-10800, -14400, -14404],
+                marigot: [-10800, -14400, -15865],
+                martinique: [-10800, -14400, -14660],
+                matamoros: [-18000, -21600, -23400],
+                mazatlan: [-21600, -25200, -25540, -28800],
+                menominee: [-18000, -21027, -21600],
+                merida: [-18000, -21508, -21600],
+                metlakatla: [54822, -25200, -28800, -31578, -32400],
+                mexico_city: [-18000, -21600, -23796, -25200],
+                miquelon: [-7200, -10800, -13480, -14400],
+                moncton: [-10800, -14400, -15548, -18000],
+                monterrey: [-18000, -21600, -24076],
+                montevideo: [-5400, -7200, -9000, -10800, -12600, -13491, -14400],
+                montserrat: [-10800, -14400, -15865],
+                nassau: [-14400, -18000, -19052],
+                new_york: [-14400, -17762, -18000],
+                nome: [46702, -28800, -32400, -36000, -39600, -39698],
+                noronha: [-3600, -7200, -7780],
+                north_dakota: {
+                    beulah: [-18000, -21600, -24427, -25200],
+                    center: [-18000, -21600, -24312, -25200],
+                    new_salem: [-18000, -21600, -24339, -25200]
+                },
+                nuuk: [-3600, -7200, -10800, -12416],
+                ojinaga: [-18000, -21600, -25060, -25200],
+                panama: [-18000, -19088, -19176],
+                paramaribo: [-10800, -12600, -13236, -13240, -13252],
+                phoenix: [-21600, -25200, -26898],
+                'port-au-prince': [-14400, -17340, -17360, -18000],
+                port_of_spain: [-10800, -14400, -15865],
+                porto_velho: [-10800, -14400, -15336],
+                puerto_rico: [-10800, -14400, -15865],
+                punta_arenas: [-10800, -14400, -16965, -17020, -18000],
+                rankin_inlet: [0, -18000, -21600],
+                recife: [-7200, -8376, -10800],
+                regina: [-21600, -25116, -25200],
+                resolute: [0, -18000, -21600],
+                rio_branco: [-14400, -16272, -18000],
+                santarem: [-10800, -13128, -14400],
+                santiago: [-10800, -14400, -16965, -18000],
+                santo_domingo: [-14400, -16200, -16776, -16800, -18000],
+                sao_paulo: [-7200, -10800, -11188],
+                scoresbysund: [0, -3600, -5272, -7200],
+                sitka: [53927, -25200, -28800, -32400, -32473],
+                st_barthelemy: [-10800, -14400, -15865],
+                st_johns: [-5400, -9000, -9052, -12600, -12652],
+                st_kitts: [-10800, -14400, -15865],
+                st_lucia: [-10800, -14400, -15865],
+                st_thomas: [-10800, -14400, -15865],
+                st_vincent: [-10800, -14400, -15865],
+                swift_current: [-21600, -25200, -25880],
+                tegucigalpa: [-18000, -20932, -21600],
+                thule: [-10800, -14400, -16508],
+                tijuana: [-25200, -28084, -28800],
+                toronto: [-14400, -18000, -19052],
+                tortola: [-10800, -14400, -15865],
+                vancouver: [-25200, -28800, -29548],
+                whitehorse: [-25200, -28800, -32400, -32412],
+                winnipeg: [-18000, -21600, -23316],
+                yakutat: [52865, -28800, -32400, -33535]
+            },
+            antarctica: {
+                casey: [39600, 28800, 0],
+                davis: [25200, 18000, 0],
+                dumontdurville: [36000, 35320, 35312],
+                macquarie: [39600, 36000, 0],
+                mawson: [21600, 18000, 0],
+                mcmurdo: [46800, 45000, 43200, 41944, 41400],
+                palmer: [0, -7200, -10800, -14400],
+                rothera: [0, -10800],
+                syowa: [11212, 10800],
+                troll: [7200, 0],
+                vostok: [25200, 18000, 0]
+            },
+            arctic: { longyearbyen: [10800, 7200, 3600, 3208] },
+            asia: {
+                aden: [11212, 10800],
+                almaty: [25200, 21600, 18468, 18000],
+                amman: [10800, 8624, 7200],
+                anadyr: [50400, 46800, 43200, 42596, 39600],
+                aqtau: [21600, 18000, 14400, 12064],
+                aqtobe: [21600, 18000, 14400, 13720],
+                ashgabat: [21600, 18000, 14400, 14012],
+                atyrau: [21600, 18000, 14400, 12464, 10800],
+                baghdad: [14400, 10800, 10660, 10656],
+                bahrain: [14400, 12368, 10800],
+                baku: [18000, 14400, 11964, 10800],
+                bangkok: [25200, 24124],
+                barnaul: [28800, 25200, 21600, 20100],
+                beirut: [10800, 8520, 7200],
+                bishkek: [25200, 21600, 18000, 17904],
+                brunei: [32400, 30000, 28800, 27000, 26480],
+                chita: [36000, 32400, 28800, 27232],
+                choibalsan: [36000, 32400, 28800, 27480, 25200],
+                colombo: [23400, 21600, 19800, 19172, 19164],
+                damascus: [10800, 8712, 7200],
+                dhaka: [25200, 23400, 21700, 21600, 21200, 19800],
+                dili: [32400, 30140, 28800],
+                dubai: [14400, 13272],
+                dushanbe: [25200, 21600, 18000, 16512],
+                famagusta: [10800, 8148, 7200],
+                gaza: [10800, 8272, 7200],
+                hebron: [10800, 8423, 7200],
+                ho_chi_minh: [32400, 28800, 25590, 25200],
+                hong_kong: [32400, 30600, 28800, 27402],
+                hovd: [28800, 25200, 21996, 21600],
+                irkutsk: [32400, 28800, 25200, 25025],
+                jakarta: [32400, 28800, 27000, 26400, 25632, 25200],
+                jayapura: [34200, 33768, 32400],
+                jerusalem: [14400, 10800, 8454, 8440, 7200],
+                kabul: [16608, 16200, 14400],
+                kamchatka: [46800, 43200, 39600, 38076],
+                karachi: [23400, 21600, 19800, 18000, 16092],
+                kathmandu: [20700, 20476, 19800],
+                khandyga: [39600, 36000, 32533, 32400, 28800],
+                kolkata: [23400, 21208, 21200, 19800, 19270],
+                krasnoyarsk: [28800, 25200, 22286, 21600],
+                kuala_lumpur: [32400, 28800, 27000, 26400, 25200, 24925],
+                kuching: [32400, 30000, 28800, 27000, 26480],
+                kuwait: [11212, 10800],
+                macau: [36000, 32400, 28800, 27250],
+                magadan: [43200, 39600, 36192, 36000],
+                makassar: [32400, 28800, 28656],
+                manila: [32400, 29040, 28800, -57360],
+                muscat: [14400, 13272],
+                nicosia: [10800, 8008, 7200],
+                novokuznetsk: [28800, 25200, 21600, 20928],
+                novosibirsk: [28800, 25200, 21600, 19900],
+                omsk: [25200, 21600, 18000, 17610],
+                oral: [21600, 18000, 14400, 12324, 10800],
+                phnom_penh: [25200, 24124],
+                pontianak: [32400, 28800, 27000, 26240, 25200],
+                pyongyang: [32400, 30600, 30180],
+                qatar: [14400, 12368, 10800],
+                qostanay: [21600, 18000, 15268, 14400],
+                qyzylorda: [21600, 18000, 15712, 14400],
+                riyadh: [11212, 10800],
+                sakhalin: [43200, 39600, 36000, 34248, 32400],
+                samarkand: [21600, 18000, 16073, 14400],
+                seoul: [36000, 34200, 32400, 30600, 30472],
+                shanghai: [32400, 29143, 28800],
+                singapore: [32400, 28800, 27000, 26400, 25200, 24925],
+                srednekolymsk: [43200, 39600, 36892, 36000],
+                taipei: [32400, 29160, 28800],
+                tashkent: [25200, 21600, 18000, 16631],
+                tbilisi: [18000, 14400, 10800, 10751],
+                tehran: [18000, 16200, 14400, 12600, 12344],
+                thimphu: [21600, 21516, 19800],
+                tokyo: [36000, 33539, 32400],
+                tomsk: [28800, 25200, 21600, 20391],
+                ulaanbaatar: [32400, 28800, 25652, 25200],
+                urumqi: [21600, 21020],
+                'ust-nera': [43200, 39600, 36000, 34374, 32400, 28800],
+                vientiane: [25200, 24124],
+                vladivostok: [39600, 36000, 32400, 31651],
+                yakutsk: [36000, 32400, 31138, 28800],
+                yangon: [32400, 23400, 23087],
+                yekaterinburg: [21600, 18000, 14553, 14400, 13505],
+                yerevan: [18000, 14400, 10800, 10680]
+            },
+            atlantic: {
+                azores: [0, -3600, -6160, -6872, -7200],
+                bermuda: [-10800, -11958, -14400, -15558],
+                canary: [3600, 0, -3600, -3696],
+                cape_verde: [-3600, -5644, -7200],
+                faroe: [3600, 0, -1624],
+                madeira: [3600, 0, -3600, -4056],
+                reykjavik: [0, -968],
+                south_georgia: [-7200, -8768],
+                stanley: [-7200, -10800, -13884, -14400],
+                st_helena: [0, -968]
+            },
+            australia: {
+                adelaide: [37800, 34200, 33260, 32400],
+                brisbane: [39600, 36728, 36000],
+                broken_hill: [37800, 36000, 34200, 33948, 32400],
+                darwin: [37800, 34200, 32400, 31400],
+                eucla: [35100, 31500, 30928],
+                hobart: [39600, 36000, 35356],
+                lindeman: [39600, 36000, 35756],
+                lord_howe: [41400, 39600, 38180, 37800, 36000],
+                melbourne: [39600, 36000, 34792],
+                perth: [32400, 28800, 27804],
+                sydney: [39600, 36292, 36000]
+            },
+            europe: {
+                amsterdam: [7200, 3600, 1050, 0],
+                andorra: [7200, 3600, 364, 0],
+                astrakhan: [18000, 14400, 11532, 10800],
+                athens: [10800, 7200, 5692, 3600],
+                belgrade: [7200, 4920, 3600],
+                berlin: [10800, 7200, 3600, 3208],
+                bratislava: [7200, 3600, 3464, 0],
+                brussels: [7200, 3600, 1050, 0],
+                bucharest: [10800, 7200, 6264],
+                budapest: [7200, 4580, 3600],
+                busingen: [7200, 3600, 2048, 1786],
+                chisinau: [14400, 10800, 7200, 6920, 6900, 6264, 3600],
+                copenhagen: [10800, 7200, 3600, 3208],
+                dublin: [3600, 2079, 0, -1521],
+                gibraltar: [7200, 3600, 0, -1284],
+                guernsey: [7200, 3600, 0, -75],
+                helsinki: [10800, 7200, 5989],
+                isle_of_man: [7200, 3600, 0, -75],
+                istanbul: [14400, 10800, 7200, 7016, 6952],
+                jersey: [7200, 3600, 0, -75],
+                kaliningrad: [14400, 10800, 7200, 4920, 3600],
+                kirov: [18000, 14400, 11928, 10800],
+                kyiv: [14400, 10800, 7324, 7200, 3600],
+                lisbon: [7200, 3600, 0, -2205],
+                ljubljana: [7200, 4920, 3600],
+                london: [7200, 3600, 0, -75],
+                luxembourg: [7200, 3600, 1050, 0],
+                madrid: [7200, 3600, 0, -884],
+                malta: [7200, 3600, 3484],
+                mariehamn: [10800, 7200, 5989],
+                minsk: [14400, 10800, 7200, 6616, 6600, 3600],
+                monaco: [7200, 3600, 561, 0],
+                moscow: [18000, 16279, 14400, 12679, 10800, 9079, 9017, 7200],
+                oslo: [10800, 7200, 3600, 3208],
+                paris: [7200, 3600, 561, 0],
+                podgorica: [7200, 4920, 3600],
+                prague: [7200, 3600, 3464, 0],
+                riga: [14400, 10800, 9394, 7200, 5794, 3600],
+                rome: [7200, 3600, 2996],
+                samara: [18000, 14400, 12020, 10800],
+                san_marino: [7200, 3600, 2996],
+                sarajevo: [7200, 4920, 3600],
+                saratov: [18000, 14400, 11058, 10800],
+                simferopol: [14400, 10800, 8184, 8160, 7200, 3600],
+                skopje: [7200, 4920, 3600],
+                sofia: [10800, 7200, 7016, 5596, 3600],
+                stockholm: [10800, 7200, 3600, 3208],
+                tallinn: [14400, 10800, 7200, 5940, 3600],
+                tirane: [7200, 4760, 3600],
+                ulyanovsk: [18000, 14400, 11616, 10800, 7200],
+                vaduz: [7200, 3600, 2048, 1786],
+                vatican: [7200, 3600, 2996],
+                vienna: [7200, 3921, 3600],
+                vilnius: [14400, 10800, 7200, 6076, 5736, 5040, 3600],
+                volgograd: [18000, 14400, 10800, 10660],
+                warsaw: [10800, 7200, 5040, 3600],
+                zagreb: [7200, 4920, 3600],
+                zurich: [7200, 3600, 2048, 1786]
+            },
+            indian: {
+                antananarivo: [10800, 9900, 9000, 8836],
+                chagos: [21600, 18000, 17380],
+                christmas: [25200, 24124],
+                cocos: [32400, 23400, 23087],
+                comoro: [10800, 9900, 9000, 8836],
+                kerguelen: [18000, 17640],
+                mahe: [14400, 13272],
+                maldives: [18000, 17640],
+                mauritius: [18000, 14400, 13800],
+                mayotte: [10800, 9900, 9000, 8836],
+                reunion: [14400, 13272]
+            },
+            pacific: {
+                apia: [50400, 46800, 45184, -36000, -39600, -41216, -41400],
+                auckland: [46800, 45000, 43200, 41944, 41400],
+                bougainville: [39600, 37336, 36000, 35312, 32400],
+                chatham: [49500, 45900, 44100, 44028],
+                chuuk: [36000, 35320, 35312],
+                easter: [-18000, -21600, -25200, -26248],
+                efate: [43200, 40396, 39600],
+                fakaofo: [46800, -39600, -41096],
+                fiji: [46800, 43200, 42944],
+                funafuti: [43200, 41524],
+                galapagos: [-18000, -21504, -21600],
+                gambier: [-32388, -32400],
+                guadalcanal: [39600, 38388],
+                guam: [39600, 36000, 34740, 32400, -51660],
+                honolulu: [-34200, -36000, -37800, -37886],
+                kanton: [46800, 0, -39600, -43200],
+                kiritimati: [50400, -36000, -37760, -38400],
+                kosrae: [43200, 39600, 39116, 36000, 32400, -47284],
+                kwajalein: [43200, 40160, 39600, 36000, 32400, -43200],
+                majuro: [43200, 41524],
+                marquesas: [-33480, -34200],
+                midway: [45432, -39600, -40968],
+                nauru: [43200, 41400, 40060, 32400],
+                niue: [-39600, -40780, -40800],
+                norfolk: [45000, 43200, 41400, 40320, 40312, 39600],
+                noumea: [43200, 39948, 39600],
+                pago_pago: [45432, -39600, -40968],
+                palau: [32400, 32276, -54124],
+                pitcairn: [-28800, -30600, -31220],
+                pohnpei: [39600, 38388],
+                port_moresby: [36000, 35320, 35312],
+                rarotonga: [48056, -34200, -36000, -37800, -38344],
+                saipan: [39600, 36000, 34740, 32400, -51660],
+                tahiti: [-35896, -36000],
+                tarawa: [43200, 41524],
+                tongatapu: [50400, 46800, 44400, 44352],
+                wake: [43200, 41524],
+                wallis: [43200, 41524]
+            }
+        };
         var formatTZ = function (dateObj, arg, timeZone) {
@@ -31,12 +477,7 @@ options.timeZone = 'UTC';
         };
-        var adjustments = [
-            -60, -30, -20,
-            0,
-            60, 30, 20
-        ];
         var parseTZ = function (dateString, arg, timeZone) {
             var pattern2 = typeof arg === 'string' ? date.compile(arg) : arg;
-            var dateObj = localized_date.parse(dateString, pattern2, true);
+            var dateObj = localized_date.parse(dateString, pattern2, !!timeZone);
 
-            if (~date._parser.find(pattern2, 'ZZ').value) {
+            if (!timeZone || ~date._parser.find(pattern2, 'ZZ').value || timeZone.toLowerCase() === 'utc') {
                 return dateObj;
@@ -47,9 +488,12 @@ }
             var dateTimeFormat = new Intl.DateTimeFormat('en-US', options);
-            var dateObj2 = date.addMilliseconds(
-                date.parse(dateTimeFormat.format(dateObj), pattern, true),
-                dateObj.getMilliseconds()
-            );
-            var offset = dateObj.getTime() - dateObj2.getTime();
-            var dateString2 = date.format(localized_date.parse(dateString, pattern2), pattern);
+            var dateString2 = date.format(dateObj, pattern, true);
+            var offset = (function () {
+                var keys = timeZone.toLowerCase().split('/');
+                var value = timeZones[keys[0]] || {};
 
+                for (var i = 1, len = keys.length; i < len; i++) {
+                    value = value[keys[i]] || {};
+                }
+                return Array.isArray(value) ? value : [];
+            })();
             var comparer = function (d) {
@@ -59,7 +503,6 @@ return dateString2 === dateTimeFormat.format(d).replace(/[\u202f]/, ' ');
 
-            // Trying to adjust for daylight saving time.
-            for (var j = 0, len2 = adjustments.length; j < len2; j++) {
-                var d = date.addMilliseconds(dateObj, offset + adjustments[j] * 60000);
+            for (var j = 0, len2 = offset.length; j < len2; j++) {
+                var d = dateObj.getTime() - offset[j] * 1000;
                 if (comparer(d)) {
-                    return d;
+                    return new Date(d);
                 }
@@ -66,0 +509,0 @@ }

README.md

@@ -9,3 +9,3 @@ # date-and-time
 
-Nowadays, JS modules have become huge, complex, and have many dependencies. We think it makes sense to try to keep each module simple and small. Especially for modules that are at the bottom of the dependency chain, such as those dealing with date and time.
+Nowadays, JS modules have become larger, more complex, and dependent on many other modules. It is important to strive for simplicity and smallness, especially for modules that are at the bottom of the dependency chain, such as those that handle date and time.
 
@@ -29,2 +29,6 @@ ## Features
 
+- 3.1.0
+  - Improved accuracy of `parseTZ()` in `timezone` plugin.
+  - Organized some test modules.
+
 - 3.0.3
@@ -36,6 +40,2 @@ - Fixed TypeScript types exports in `package.json`.
 
-- 3.0.1
-  - Fixed calculation of last day of month in `addYears()` and `addMonths()`.
-  - Fixed lint errors.
-
 ## Usage
@@ -42,0 +42,0 @@

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Number of package files

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decreased by-1.63%

Lines of code

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