Japan Holiday Calendar 2025–2030
View Japanese national holidays with auto-calculated substitute days.
Monthly view, annual list, CSV/iCal save.
🎌 Upcoming Holidays
🏖️ Next Long Weekend (3+ Days)
| Date | Day | Holiday Name |
|---|
🔒All holiday data is calculated in your browser. No server communication.
About
The Japan Holiday Calendar tool lets you browse Japanese national holidays from 2025 to 2030. It auto-calculates fixed holidays, Happy Monday holidays, Vernal/Autumnal Equinox days, and substitute holidays—all in your browser. Save the results as CSV or iCal to import into Google or Apple Calendar.
How to Use
Select a Year
Use Prev/Next buttons to navigate between years (2025–2030).
Check Holidays
Monthly view highlights holidays. Annual list shows all holidays at once.
Download
Export as CSV or iCal to import into Google/Apple Calendar.
Glossary
- National Holiday
- Public holidays defined by Japan's National Holiday Law. Currently 16 days per year.
- Happy Monday System
- A system that shifts some holidays to Monday to create 3-day weekends. Introduced in 2000.
- Substitute Holiday
- When a holiday falls on Sunday, the following Monday becomes a substitute holiday.
- National Rest Day
- A weekday becomes a holiday when sandwiched between two public holidays.
- Vernal Equinox Day
- The day the sun passes through the vernal equinox point. Date changes yearly (Mar 20 or 21).
- Autumnal Equinox Day
- The day the sun passes through the autumnal equinox. Date varies (Sep 22 or 23).
- iCal (ICS)
- Standard calendar format for exchanging events. Importable to Google/Apple Calendar.
FAQ
- Q.Is my data sent to a server?
- No. Holiday data is hardcoded in JavaScript and processed entirely in your browser.
- Q.How are Vernal/Autumnal Equinox days calculated?
- Using the National Astronomical Observatory of Japan's approximate formula based on the solar longitude.
- Q.Can I import to Google Calendar?
- Yes. Save the .ics file and import it into Google Calendar.
- Q.When is the Emperor's Birthday?
- Since 2020, it is February 23. All years from 2025–2030 are February 23.
Use Cases
Work Scheduling
Plan shifts and schedules around Japanese holidays.
Wedding Planning
Find auspicious holidays for your special day.
Travel Planning
Book flights and hotels during long weekends early.
HR / Payroll
Calculate annual working days excluding holidays.