java.time Kotlin extension functions library.
kotlinx.datetime Kotlin extension functions library.
Common Lisp library inspired by the Java API for dates, times, instants, and durations
Modern TypeScript date library — shadcn-style code ownership, size-based formatting (.xs to .xl), 8 themes, React hooks, MCP server for AI. Zero dependencies.
Library for simplify working with dates
Lightweight C++ utility library for reliable date calculations and manipulation.
Modern date library with chainable methods and rich formatting options.
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