nodatime/nodatime

Health v2 · maintenance only

Adoption not part of the score

2999 stars · 340 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Noda Time is an alternative date and time library for .NET, offering a clearer and more precise API than the built-in DateTime types. It provides robust time zone handling via tzdb, multiple calendar systems, and companion packages for testing and JSON serialization.

Use cases

• handle time zones correctly in .NET applications
• convert between time zones with proper DST handling
• work with non-Gregorian calendar systems
• represent instants and durations precisely instead of DateTime
• serialize Noda Time types with Json.NET
• test time-dependent code with a fake clock

When to choose

• your .NET app needs reliable time zone and calendar handling
• you want a well-designed immutable date/time API instead of DateTime/DateTimeOffset
• you need tzdb time zone data with multiple provider support

When to avoid

• your project is not on .NET
• simple DateTime usage is sufficient and you want zero extra dependencies
• you need date/time handling in a non-.NET language

Facets

library · maturity stable

date-time serialization sdk developer-tools cross-platform dotnet cross-platform timezone tzdb calendar csharp datetime-api

Member repositories

For agents

markdown · JSON · MCP: product_card(name="nodatime/nodatime")