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Perpetual Calendar

Lunar dates, solar terms, holidays & workday adjustments

Features

  • Shows lunar dates and sexagenary cycle
  • Marks all 24 solar terms
  • Highlights public holidays and workday adjustments
  • Month view and year overview modes
  • Click any day for full details

How to Use

  1. 1Defaults to current month
  2. 2Click arrows to navigate months
  3. 3Click "Year View" for full year overview
  4. 4Click any date to see details
  5. 5Click "Today" to return to current month

FAQ

Is holiday data accurate?

Holiday data is fetched from an official source in real time. If unavailable, built-in static data covering 2024–2027 is used as fallback.

Is the lunar calendar accurate?

Yes. The lunar-javascript library performs all calculations locally in the browser with high accuracy.

Which years are supported?

Lunar dates and solar terms work for any year. Holiday/adjustment data covers 2024–2027 and is updated annually.