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Cargo

chrono

Date and time library for Rust

About
calendardaterusttime
github.com/chronotope/chronoMITDirkjan Ochtman, Paul Dicker, Brandon W Maister17.3M / week3.9k · 620 forks · 264 contributors
Compare
Compares against 0.4.45 (latest stable)
Latest Stable0.4.45Jun 4, 2026
Latest RC0.4.20-rc.1Jul 26, 2022
Latest Beta0.4.20-beta.1Jul 25, 2022
Release cadenceEvery 2 months
Last releaseJun 4, 2026
Open advisories0
Changelog quality98% curated
GitHub Releases + CHANGELOG, gaps for some releases
Release history Security
0.x
STABLE · RCPRE-RELEASEJulOct2024AprJulOct2025AprJulOct2026Apr

76 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version
chrono 0.3 → 0.40.3.0 → 0.4.45Jun 4, 2026 BreakingBreaking9Security1Platform4Deprecated14New203Changed47Fixed87Other118chrono 0.2 → 0.30.2.25 → 0.3.0Feb 6, 2017 Unknown
VersionChannelDateChangesSecurity
0.4.45 StableJun 4, 2026Fixed20.4.44 StableFeb 23, 2026New1Other10.4.43 StableJan 14, 2026Breaking2New3Changed5Other30.4.42 StableSep 8, 2025New4Changed1Fixed4Other30.4.41 StableApr 29, 2025Deprecated1New6Changed1Other30.4.40 StableFeb 26, 2025New3Changed3Other30.4.39 StableDec 9, 2024Breaking1New1Changed5Fixed6Other60.4.38 StableApr 15, 2024Breaking1New2Fixed2Other50.4.37 StableMar 27, 2024Breaking1New1Other10.4.36 YankedMar 26, 2024Deprecated2New1Changed1Other130.4.35 StableMar 6, 2024Breaking1Deprecated4New2Changed2Fixed5Other100.4.34 StableFeb 11, 2024Breaking1New6Changed5Fixed4Other120.4.33 StableJan 25, 2024Changed1Fixed10.4.32 StableJan 22, 2024Platform2Deprecated1New18Changed4Fixed3Other180.4.31 StableSep 15, 2023Deprecated1New4Fixed3Other50.4.30 StableSep 7, 2023New1Other30.4.29 StableSep 5, 2023Deprecated1New5Fixed1Other10.4.28 StableAug 30, 2023Fixed10.4.27 StableAug 29, 2023Platform1Deprecated1New38Fixed13Other90.4.26 StableMay 30, 2023Breaking1Changed2Fixed1Other4