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Repositories in this selection 19 · UTC 2026-11-03
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1—Iiamkun / dayjs⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern APIJavaScriptMIT · PermissiveInsufficient rank history48,6583,723——2026-09-15
2—Fflatpickr / flatpickrlightweight, powerful javascript datetimepicker with no dependenciesTypeScriptMIT · PermissiveInsufficient rank history16,4581,456——2024-08-02
3—Mmoment / luxon⏱ A library for working with dates and times in JSJavaScriptMIT · PermissiveInsufficient rank history16,456812——2026-08-09
4—Aarrow-py / arrow🏹 Better dates & times for PythonPythonApache-2.0 · PermissiveInsufficient rank history9,050817——2026-06-22
5—Iijl / orjsonFast, correct Python JSON library supporting dataclasses, datetimes, and numpyPythonApache-2.0 · PermissiveInsufficient rank history8,284343——2026-10-07
6—EEonasdan / tempus-dominusThis project is no longer active or supported.HTMLMIT · PermissiveInsufficient rank history7,1564,242——2026-03-27
7—Ppython-pendulum / pendulumPython datetimes made easyPythonMIT · PermissiveInsufficient rank history6,680498——2026-10-26
8—Lldqk / Masuit.ToolsA C# universal tool library that is friendly to all ages, the code toast library includes some commonly used operation classes, mostly static classes, encryption and decryption, reflection operations, weighted random screening algorithms, distributed short IDs, expression trees, linq expansion, file compression, multi-threaded downloads, hardware information, string expansion methods, date and time expansion operations, Chinese lunar calendar, large file copy, image cropping, verification code, breakpoint resume, collection expansion, Excel export and other common packages. Many functions are integrated into one, and the code size is less than 2MB!C#MIT · PermissiveInsufficient rank history6,1961,294——2026-10-30
9—Hhustcc / timeago.js:clock8: :hourglass: timeago.js is a tiny(2.0 kb) library used to format date with `*** time ago` statement.TypeScriptMIT · PermissiveInsufficient rank history5,370402——2026-10-09
10—Ddromara / carbonA simple, semantic and developer-friendly time package for golangGoMIT · PermissiveInsufficient rank history5,222276——2026-10-29
11—HHowardHinnant / dateA date and time library based on the C++11/14/17 <chrono> headerC++NOASSERTION · Restricted / unknownInsufficient rank history3,437741——2026-10-30
12—BBurntSushi / jiffA datetime library for Rust that encourages you to jump into the pit of success.RustUnlicense · PermissiveInsufficient rank history2,989134——2026-11-02
13—Ddateutil / dateutilUseful extensions to the standard Python datetime featuresPythonNOASSERTION · Restricted / unknownInsufficient rank history2,644630——2026-11-01
14—Aariebovenberg / whenever⏰ Type-safe datetimes for Python that get DST right. Rust or pure Python, your choice.PythonMIT · PermissiveInsufficient rank history2,41539——2026-11-03
15—Ddavedelong / timeRobust and type-safe date and time calculations for SwiftSwiftMIT · PermissiveInsufficient rank history2,34483——2026-09-05
16—Aaraddon / dateparseGoLang Parse many date strings without knowing format in advance.GoMIT · PermissiveInsufficient rank history2,143177——2023-12-30
17—Bbitwalker / timexA complete date/time library for Elixir projects.ElixirMIT · PermissiveInsufficient rank history1,806408——2026-11-02
18—Llayui / laydateA widely used advanced web calendar component, completely open source and free of charge, with both good looks and functions, it is enough to handle various date-related business scenarios.JavaScriptMIT · PermissiveInsufficient rank history1,102568——2023-03-31
19—Sspatie / calendar-linksGenerate add to calendar links for Google, iCal and other calendar systemsPHPMIT · PermissiveInsufficient rank history1,017157——2026-10-22
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