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Japan does NOT observe Daylight Saving Time. Local clocks remain constant throughout the year on standard time, with no seasonal spring/fall 1-hour adjustments.
Optimal overlapping time windows to schedule remote team meetings, vendor synchronization, and client calls between major global economic regions and Japan.
Timezone Twins: The following countries and territories share the exact same standard clock as Japan:
The directory below details the official time zone designations, IANA database identifiers, real-time clocks, and standard UTC offsets active across Japan.
Complete schedule of national holidays, bank closures, religious festivals, and observances. Switch between years (2024–2028) and filter by holiday category:
| Date | Holiday Name | Classification | Calendar Basis | Office Status |
|---|---|---|---|---|
| 2026-01-01 | New Year's Day | Public | gregorian | Closed 🔴 |
| 2026-01-12 | Coming of Age Day | Public | gregorian | Closed 🔴 |
| 2026-02-11 | National Foundation Day | Public | gregorian | Closed 🔴 |
| 2026-04-29 | Showa Day | Public | gregorian | Closed 🔴 |
| 2026-05-03 | Constitution Memorial Day | Public | gregorian | Closed 🔴 |
| 2026-05-04 | Greenery Day | Public | gregorian | Closed 🔴 |
| 2026-05-05 | Children's Day | Public | gregorian | Closed 🔴 |
| 2026-07-20 | Marine Day | Public | gregorian | Closed 🔴 |
| 2026-09-21 | Respect for the Aged Day | Public | gregorian | Closed 🔴 |
| 2026-09-22 | Autumnal Equinox Day | Public | gregorian | Closed 🔴 |
| 2026-10-12 | Sports Day | Public | gregorian | Closed 🔴 |
| 2026-11-03 | Culture Day | Public | gregorian | Closed 🔴 |
| 2026-11-23 | Labor Thanksgiving Day | Public | gregorian | Closed 🔴 |
| 2026-12-23 | Emperor's Birthday | Public | gregorian | Closed 🔴 |
| 2026-08-11 | Mountain Day | Public | gregorian | Closed 🔴 |
| 2026-08-15 | Bon Festival | Religious | lunisolar | Open 🟢 |
| 2026-08-16 | O-bon (regional) | Observance | lunisolar | Open 🟢 |
| 2026-08-17 | Harvest Festival | Religious | lunisolar | Open 🟢 |
| 2026-11-15 | Shichi-Go-San | Observance | gregorian | Open 🟢 |
| 2026-04-28 | Spring Bank Holiday | Bank | gregorian | Closed 🔴 |
| 2026-09-21 | Autumn Bank Holiday | Bank | gregorian | Closed 🔴 |
| 2026-03-03 | Founders' Day | Observance | gregorian | Open 🟢 |
| 2026-06-01 | Local Festivals | Observance | gregorian | Open 🟢 |
| 2026-03-31 | School Closing Day | Observance | gregorian | Open 🟢 |
| 2026-07-20 | Fireworks Festival | Observance | gregorian | Open 🟢 |
| 2026-05-20 | Tea Ceremony Day | Observance | gregorian | Open 🟢 |
| 2026-04-01 | Cherry Blossom Viewing | Observance | gregorian | Open 🟢 |
Physiological time difference and circadian adjustment expectations when traveling to Japan:
Official format conventions and time standards recognized in Japan:
| Preferred Date Format | YYYY-MM-DD |
|---|---|
| Standard Clock Format | 24-hour |
| First Day of the Week | Monday |
| 24-Hour Military Clock Used? | Yes |
Japan standardized on JST in 1872 and abolished Daylight Saving Time in 1951.
The current time in Japan is based on Asia/Tokyo with a UTC offset of UTC+09:00. Real-time clocks above are synchronized with high-precision atomic stratum-1 time servers.
No, Japan does not observe Daylight Saving Time. Clocks remain on standard time all year.
Standard business hours in Japan are typically 09:00 - 17:00, Monday through Friday.
Refer to the Remote Work Call Planner section above for region-specific recommended calling windows from the US, Europe, and Asia-Pacific.
The international telephone dialing code for Japan is +81.