2026 summary
Japan has 245 sample business days in 2026 with the current sat/sun weekend setting and sample national holidays.
| Month | Business days | Weekend days | Sample holidays |
|---|---|---|---|
| January | 20 | 9 | 2 |
| February | 18 | 8 | 2 |
| March | 21 | 9 | 1 |
| April | 21 | 8 | 1 |
| May | 18 | 10 | 3 |
| June | 22 | 8 | 0 |
| July | 22 | 8 | 1 |
| August | 20 | 10 | 1 |
| September | 20 | 8 | 2 |
| October | 21 | 9 | 1 |
| November | 19 | 9 | 2 |
| December | 23 | 8 | 0 |
How to use this page
Use the table for rough planning, then run the calculator above for exact start and end dates. Regional holidays, substitute holidays, company holidays, and industry-specific calendars can change real deadlines.
Frequently asked questions
How many business days does Japan have in 2026?
With the current sample calendar, Japan has 245 business days in 2026. This can change if regional or substitute holidays are included.
Why are these counts marked as sample data?
Holiday rules can differ by region, employer, and industry. DayBridge publishes the count for planning, but final deadlines should be checked against the official calendar for the exact jurisdiction.
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.