TypeScript★ 3↓ 436.1K/moSep 15, 2026
crates.io67Goodhealth index

sebastienrousseau/dttRust crate for date, time, and timezone manipulation. Parse, format, validate, and convert RFC 3339 / ISO 8601 with guaranteed round-trip safety.
Rust★ 7↓ 7,117/moSep 13, 2026

stub42/pytzpytz Python historical timezone library and database
C · HTML · Python★ 396↓ 413M/moSep 16, 2026
TypeScript · Astro★ 349↓ 304.8K/moOct 21, 2026

iLib-js/iLibA library of i18n routines written in JavaScript.
JavaScript★ 35↓ 102K/moSep 15, 2026

mrusme/zeitZeit, erfassen. A command line tool for tracking time. (https://tty.fail/mrus/zeit)
Go★ 589Sep 17, 2026
crates.io65Goodhealth index
Rust★ 51↓ 72.6M/moSep 16, 2026
Packagist65Goodhealth index
PHP★ 435↓ 20.9M/moOct 20, 2026
RubyGems63Moderatehealth index
Ruby★ 38Sep 11, 2026
crates.io63Moderatehealth index

fundu-rs/funduConfigurable, precise and fast rust string parser to a Duration
Rust★ 10↓ 181.3K/moSep 15, 2026
npm63Moderatehealth index

inukshuk/edtf.jsExtended Date Time Format (ISO 8601-2 / EDTF) Parser for JavaScript
JavaScript★ 78↓ 37.8K/moSep 15, 2026
crates.io63Moderatehealth index

qubit-ltd/rs-clockInjectable wall clocks, monotonic clocks, and deterministic timers for Rust.
Rust★ 0↓ 16.2K/moSep 13, 2026
NuGet63Moderatehealth index
C#★ 22Sep 15, 2026
npm63Moderatehealth index
JavaScript★ 1,215↓ 154M/moSep 17, 2026
crates.io62Moderatehealth index
Rust★ 396↓ 20.7M/moSep 17, 2026
PyPI62Moderatehealth index
Python★ 53Sep 15, 2026
npm62Moderatehealth index
Svelte · TypeScript★ 339Sep 17, 2026
crates.io62Moderatehealth index

korken89/fugit`fugit` provides a comprehensive library of `Duration` and `Instant` for the handling of time in embedded systems, doing all it can at compile time.
Rust★ 85↓ 345.9K/moOct 19, 2026
npm62Moderatehealth index
JavaScript★ 523↓ 24.5M/moOct 22, 2026
crates.io60Moderatehealth index
Rust★ 16↓ 6,340/moOct 20, 2026
npm60Moderatehealth index
TypeScript · Vue★ 0↓ 5,253/moSep 18, 2026
npm60Moderatehealth index
TypeScript★ 278↓ 3.4M/moSep 15, 2026

microsoft/Recognizers-TextMicrosoft.Recognizers.Text provides recognition and resolution of numbers, units, date/time, etc. in multiple languages (ZH, EN, FR, ES, PT, DE, IT, TR, HI, NL. Partial support for JA, KO, AR, SV). Packages available at: https://www.nuget.org/profiles/Recognizers.Text, https://www.npmjs.com/~recognizers.text
C# · Python · Java★ 1,794Sep 11, 2026
npm60Moderatehealth index
JavaScript★ 3↓ 133.2K/moOct 19, 2026
crates.io59Moderatehealth index
Rust★ 3↓ 28.4K/moAug 24, 2026
npm59Moderatehealth index
JavaScript · TypeScript★ 308↓ 184M/moSep 16, 2026
RubyGems59Moderatehealth index

travisjeffery/timecopA gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.
Ruby★ 3,424Sep 12, 2026
C++★ 3,434Sep 19, 2026
NuGet57Moderatehealth index

Occurify/OccurifyA powerful and intuitive .NET library for defining, filtering, transforming, and scheduling instant and period timelines.
C#★ 78Oct 21, 2026
NuGet57Moderatehealth index
C#★ 904Sep 9, 2026