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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.
Select a metropolitan center below to view dedicated city clocks, localized solar schedules, and weather patterns.
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.