JIFF

Summary from the TLDR newsletter

Jiff is a datetime library for Rust. It provides high level datetime primitives with reasonable performance that are difficult to misuse. Jiff supports automatic and seamless integration with the Time Zone Database, DST aware arithmetic and rounding, formatting and parsing zone aware datetimes losslessly, opt-in Serde support, and more. Its minimum supported rustc version is 1.70.0.