Date

Get the native type of a value.

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Returns true if a value is a plain object, array or function.

Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Parse, validate, manipulate, and display dates

Modern JavaScript date utility library

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

2KB immutable date time library alternative to Moment.js with the same modern API

A tiny (240B to 501B) and fast utility to "deep clone" Objects, Arrays, Dates, RegExps, and more!

Parse and display moments in any timezone.

Date formatting and parsing

A library for teleporting rich data to another place.

Immutable date wrapper

Formatting Date objects as strings since 2013

Postgres date column parser

file streams that roll over when size limits, or dates are reached

Get a formatted timestamp.

Formats ICU Message strings with number, date, plural, and select placeholders to create localized messages.

Abstraction over common javascript date management libraries

Time duration utilities

A simple and reusable datepicker component for React

Time zone support for date-fns v2 with the Intl API

A requirable version of Date.now()

Abstraction over common javascript date management libraries

Current Time in Nanoseconds

A JavaScript mock Date object that can be used to change when "now" is.

Easily format the time from node.js `process.hrtime`. Works with timescales ranging from weeks to nanoseconds.

Abstraction over common javascript date management libraries

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.

Abstraction over common javascript date management libraries

The up-to-date and reliable Google's libphonenumber package for node.js.

Abstraction over common javascript date management libraries

A simple utility for precise-dateing functions and classes.

The community edition of the date picker components (MUI X).

Internationalize JS apps. This library provides an API to format dates, numbers, and strings, including pluralization and handling translations.

React date & time picker

A Minimalist DateTime utility for Node.js and the browser

A lightweight, powerful javascript datetime picker

a date and time library for javascript

Customizable Date Picker for React

React components, that implements material design pickers for material-ui v4

Pretty datetime: `2014-01-09 06:46:01`

String date to UNIX timestamp

JavaScript library for working with recurrence rules for calendar dates.

Tiny function that provides relative, human-readable dates.

Pretty time zone: `+2` or `-9:30`

Discord API typings that are kept up to date for use in bot library creation.

A responsive and accessible date range picker component built with React

A super light and fast JavaScript object (de)serialization that includes date, bigint, regex, etc.