Luxon⏱ A library for working with dates and times in JS
DateutilUseful extensions to the standard Python datetime features
SpacetimeA lightweight javascript timezone library
dayjsExtended fork of Day.js - 2KB immutable date library alternative to Moment.js
django-timezone-fieldA Django app providing DB, form, and REST framework fields for zoneinfo and pytz timezone objects.
tz-troutHelps you figure out the time zone based on an address or a phone number.
ziptzGet the time zone and daylight saving time support for any US ZIP code
tz.jsA library for working with timezones in JavaScript. Used as part of https://github.com/dbaron/timezone-map .
graphcountriesAn easy to use GraphQL API to query country-related data for free and without restrictions
worldA Laravel package which provides a list of the countries, states, cities, currencies, timezones and languages.
scala-java-timeImplementation of the `java.time` API in scala. Especially useful for scala.js
Friend-TimeDiscord bot - Friend Time helps your server coordinate times and events by converting times mentioned in chat between time zones!
hawkingA Natural Language Date Time Parser that Extract date and time from text with context and parse to the required format