# Qrono

> A tiny JavaScript date library with 100+ APIs and strict DST guarantees.

Qrono is designed for single-timezone applications and provides immutable, chainable date-time and calendar-date APIs.

## Agent Entry Points

- [Full documentation bundle](https://qronojs.dev/llms-full.txt): Complete Markdown context for Qrono.
- [Agent instructions](https://qronojs.dev/AGENTS.md): How agents should choose and cite Qrono documentation.
- [Qrono agent skill](https://qronojs.dev/.well-known/agent-skills/qrono/SKILL.md): Task-focused guidance for using Qrono in code.
- [Robots policy](https://qronojs.dev/robots.txt): Crawl and AI-use policy signals.
- [Sitemap](https://qronojs.dev/sitemap.xml): Canonical HTML pages.

## Documentation

### Documentation

- [Qrono](https://qronojs.dev/index.md): A tiny JavaScript date library with 100+ APIs and strict DST guarantees.
- [Introduction](https://qronojs.dev/introduction.md): Qrono design philosophy, installation, usage, UTC/local-time model, DST handling, and quick tour.
- [API Comparison](https://qronojs.dev/comparison.md): Side-by-side API comparison of Qrono, Temporal, Day.js, Moment.js, Luxon, and date-fns.
- [API Reference](https://qronojs.dev/api.md): Complete Qrono API reference for factories, conversion, accessors, context, calculation, comparison, boundaries, date information, and DST APIs.