Date and time

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• kind-ofGet the native type of a value.
• date-fnsCollection of standalone functions for working with native JavaScript Date objects.
• is-date-objectIs this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
• dayjsDate library with a largely Moment.js-compatible API, extended through plugins.
• postgres-datePostgres date column parser
• luxonDate and time library with DateTime, Duration and Interval types, built on the Intl API.
• @date-fns/tzdate-fns timezone utils
• momentDate library for parsing, validating, manipulating and formatting dates.
• clone-deepRecursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.
• fechaDate formatting and parsing
• @tabby_ai/hijri-converterTypescript port of an accurate python Hijri-Gregorian dates converter based on the Umm al-Qura calendar: https://github.com/mhalshehri/hijri-converter
• cron-parserNode.js library for parsing crontab instructions
• moment-timezoneParse and display moments in any timezone.
• @google-cloud/precise-dateA simple utility for precise-dateing functions and classes.
• date-fns-tzTime zone support for date-fns v3 with the Intl API
• date-formatFormatting Date objects as strings since 2013
• natural-orderbyLightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.
• @js-joda/corea date and time library for javascript
• node-scheduleA cron-like and not-cron-like job scheduler for Node.
• cronstrueConvert cron expressions into human readable descriptions
• time-stampGet a formatted timestamp.
• humanize-durationConvert millisecond durations to English and many other languages.
• rruleJavaScript library for working with recurrence rules for calendar dates.
• pretty-timeEasily format the time from node.js `process.hrtime`. Works with timescales ranging from weeks to nanoseconds.
• detect-europe-jsDetect if a user is from a country around the European Union (EU) area
• mockdateA JavaScript mock Date object that can be used to change when "now" is.
• @segment/isodateParse an ISO date string into a Date
• @segment/isodate-traverseTraverse an object and convert all ISO strings into Dates.
• new-dateCreates a new Date, but accepts a few more input types than normal.
• maxmindIP lookup using Maxmind databases
• @fullcalendar/interactionCalendar functionality for event drag-n-drop, event resizing, date clicking, and date selecting
• date-arithmeticsimple date math util
• timestringParse a human readable time string into a time based value
• durationTime duration utilities
• @expo/timeago.jstimeago.js is a simple library (only 1kb) to used to format datetime with `*** time ago` statement. eg: '3 hours ago'. localization supported.
• @wojtekmaj/date-utilsA collection of date-related utilities.
• vega-timeJavaScript date/time utilities for Vega.
• date-timePretty datetime: `2014-01-09 06:46:01`
• @googlemaps/google-maps-services-jsNode.js client library for Google Maps API Web Services
• moment-duration-formatA moment.js plugin for formatting durations.
• countries-and-timezonesMinimalistic library to work with countries and timezones data.
• time-zonePretty time zone: `+2` or `-9:30`
• caldateCalendar date for date-holidays
• date-bengali-revisedRevised Bengali Calendar
• chartjs-adapter-date-fnsChart.js adapter to use date-fns for time functionalities
• timezone-mockA JavaScript library to mock the local timezone.
• teleport-javascriptA super light and fast JavaScript object (de)serialization that includes date, bigint, regex, etc.
• tz-lookupfast time zone lookup
• @formatjs/intl-relativetimeformatFormats JavaScript dates to relative time strings.
• jest-date-mockMock `window.Date` when run unit test cases with jest. Make tests of `Date` easier.

• date-fns vs dayjs
• date-fns vs luxon
• dayjs vs moment
• date-fns vs moment
• luxon vs dayjs
• moment vs luxon
• date-fns-tz vs @js-joda/core