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Japan business days

Japan Business Days Calculator

Calculate business days in Japan using the Cabinet Office national-holiday calendar, including published substitute holidays for 2026 and 2027.

Calendar: Japan — National holidays. Choose the country and region whose holidays apply to your calculation.

Result

59 business days

Between Wednesday, October 7, 2026 and Thursday, December 31, 2026, including the first date.

3 public holidays are excluded for National holidays, Japan.

Included in this calculation

  • Weekends are excluded.
  • Public holidays are excluded for National holidays, Japan.
  • National holidays and statutory substitute holidays are included.
  • Holiday data currently covers 2026 and 2027.
  • Business holiday rules can vary by employer, industry, city, and contract.

Holidays excluded

Sports DayOct 12, 2026
Culture DayNov 3, 2026
Labor Thanksgiving DayNov 23, 2026

How many business days are in Japan?

There is not always one universal national total because public holidays can vary by province, state, territory, or region. For National holidays, Japan, the current Monday-to-Friday planning totals are:

YearWeekdaysWeekday holidaysBusiness days
202626117244
202726116245

Choose a different region in the calculator to update these totals. Employer, bank, court, school, and local closure rules may differ.

Business days by month in National holidays, Japan

These exact planning totals equal Monday-to-Friday weekdays minus the selected public holidays that fall on a weekday. Change the region above to update every answer.

2026

MonthWeekdaysWeekday holidaysBusiness days
January22220
February20218
March22121
April22121
May21318
June22022
July23122
August21120
September22319
October22121
November21219
December23023

2027

MonthWeekdaysWeekday holidaysBusiness days
January21219
February20218
March23122
April22121
May21318
June22022
July22121
August22121
September22220
October21120
November22220
December23023

Download all 2026 calendars · Download all 2027 calendars

Plan a deadline in Japan

Using National holidays and counting the start date as day zero, 10 business days after Tuesday, September 1, 2026 is Tuesday, September 15, 2026. Saturdays, Sundays and the selected weekday holidays are skipped.

Try this 10-business-day example · Calculate invoice terms · Compare monthly totals

Which holiday dates does this calendar exclude?

National holidays and statutory substitute holidays are included. These are planning calendars, not a promise that every employer, bank or service closes on each date. The tables below always show the selected holiday calendar, even when the calculator is switched to weekends only.

2026 holiday dates for National holidays
DateHoliday / observanceMonday–Friday exclusion
Jan 1, 2026New Year's DayExcluded in this calendar
Jan 12, 2026Coming of Age DayExcluded in this calendar
Feb 11, 2026Foundation DayExcluded in this calendar
Feb 23, 2026Emperor's BirthdayExcluded in this calendar
Mar 20, 2026Spring Equinox DayExcluded in this calendar
Apr 29, 2026Showa DayExcluded in this calendar
May 3, 2026Constitution DayWeekend; no extra day deducted
May 4, 2026Greenery DayExcluded in this calendar
May 5, 2026Children's DayExcluded in this calendar
May 6, 2026Constitution Day (substitute day)Excluded in this calendar
Jul 20, 2026Marine DayExcluded in this calendar
Aug 11, 2026Mountain DayExcluded in this calendar
Sep 21, 2026Respect-for-the-Aged DayExcluded in this calendar
Sep 22, 2026Citizens' HolidayExcluded in this calendar
Sep 23, 2026Autumnal Equinox DayExcluded in this calendar
Oct 12, 2026Sports DayExcluded in this calendar
Nov 3, 2026Culture DayExcluded in this calendar
Nov 23, 2026Labor Thanksgiving DayExcluded in this calendar
2027 holiday dates for National holidays
DateHoliday / observanceMonday–Friday exclusion
Jan 1, 2027New Year's DayExcluded in this calendar
Jan 11, 2027Coming of Age DayExcluded in this calendar
Feb 11, 2027Foundation DayExcluded in this calendar
Feb 23, 2027Emperor's BirthdayExcluded in this calendar
Mar 21, 2027Spring Equinox DayWeekend; no extra day deducted
Mar 22, 2027Spring Equinox Day (substitute day)Excluded in this calendar
Apr 29, 2027Showa DayExcluded in this calendar
May 3, 2027Constitution DayExcluded in this calendar
May 4, 2027Greenery DayExcluded in this calendar
May 5, 2027Children's DayExcluded in this calendar
Jul 19, 2027Marine DayExcluded in this calendar
Aug 11, 2027Mountain DayExcluded in this calendar
Sep 20, 2027Respect-for-the-Aged DayExcluded in this calendar
Sep 23, 2027Autumnal Equinox DayExcluded in this calendar
Oct 11, 2027Sports DayExcluded in this calendar
Nov 3, 2027Culture DayExcluded in this calendar
Nov 23, 2027Labor Thanksgiving DayExcluded in this calendar

Holiday calendar source

National holidays and statutory substitute holidays are included.

Cabinet Office of Japan national holidays

Calendar baseline reviewed August 19, 2026; Singapore and Ireland corrections verified September 12, 2026. Coverage notes describe the applicable limits.

National holidays

The Japan calendar includes statutory national holidays and substitute holidays published for 2026 and 2027.

Golden Week planning

Several national holidays occur close together in late April and early May, making holiday-aware calculations especially useful.

Official reference

The source link points to the Cabinet Office of Japan holiday schedule.

Business practices differ

Company shutdowns, banking schedules, and industry practices may add non-working dates.

Check high-stakes deadlines

Confirm legal, immigration, banking, and contractual dates with the relevant authority.

Frequently asked questions

What is included in the japan business days calculator?

The calculator excludes weekends and can also exclude public holidays for the selected country and region. The result shows the assumption used in the calculation.

Are public holidays excluded automatically?

Public holidays are excluded when the Weekends + holidays option is turned on. You can switch to Weekends only if you want a weekday-only count.

Can I share or copy the result?

Yes. Use Copy result for the plain answer, or Copy link to share the same calculation settings with someone else.

Should I use this for legal or payroll deadlines?

Use the calculator as a helpful planning tool, but review important deadlines because business-day rules can vary by employer, contract, industry, city, and jurisdiction.