Japan business day notes
This page targets long-tail searches around Japanese business days, working days, and deadline calculations. The current calendar uses a standard sat/sun weekend and national holiday data for 2026.
2026 national holidays
- 2026-01-01 - New Year's Day
- 2026-01-12 - Coming of Age Day
- 2026-02-11 - Foundation Day
- 2026-02-23 - The Emperor's Birthday
- 2026-03-20 - Vernal Equinox Day
- 2026-04-29 - Shōwa Day
- 2026-05-06 - Constitution Memorial Day
- 2026-05-04 - Greenery Day
- 2026-05-05 - Children's Day
- 2026-07-20 - Marine Day
- 2026-08-11 - Mountain Day
- 2026-09-21 - Respect for the Aged Day
- 2026-09-23 - Autumnal Equinox Day
- 2026-10-12 - Sports Day
- 2026-11-03 - Culture Day
- 2026-11-23 - Labour Thanksgiving Day
Production data requirement
For official deadlines, verify regional holiday data for Japan. Some countries have state-level, province-level, or substitute holidays that change deadline calculations.
Frequently asked questions
How many business days are in Japan?
Japan business-day counts depend on the date range, weekends, and public holidays. Use the calculator on this page for exact start and end dates.
Does this page include all regional holidays in Japan?
The current country calendar uses nationally applicable holiday data. Regional, state, province, employer, and substitute holidays can change real deadline calculations.
What is a business day?
A business day is usually a weekday when normal work or financial operations take place. Weekends and public holidays are typically excluded, but the exact rule depends on the country, company, contract, or workflow.