ts-datetimeModern TypeScript DateTime Library.

Immutable, fluent, and fully-typed. Inspired by Carbon.

🕒

Immutable & Fluent API

All operations return new instances. Chainable and expressive.

🌍

Global, per-instance, and per-call configuration for locale, formatting, and more.

📅

Supports ISO, timestamps, relative strings (e.g. 'next week', '+2 days'), and strict mode.

⏳

Built-in support for durations and date ranges.

🦾

Fully typed, with great DX in modern editors.

✅

Thoroughly tested for edge cases and correctness.

Chris Breuer

Open sourceror.
Core Stacks team.
Working at Stacks.js

Glenn

Open sourceror.
Core Stacks team.
Working at Stacks.js

Mike

Open sourceror.
Core Stacks team.
Working at Stacks.js

Zoltan

Open sourceror.
Core Stacks team.