Tokyo to San Francisco — −16h
Right now, Tokyo sits on Asia/Tokyo and San Francisco on America/Los_Angeles. The current gap is −16h, putting Tokyo ahead. A 8275 km arc separates the two, and the 16-hour jump usually means Tokyo finishes the workday before San Francisco wraps up lunch.
| Hour A | Hour B | Overlap? |
|---|---|---|
| 00:00 | 08:00 | |
| 01:00 | 09:00 | |
| 02:00 | 10:00 | |
| 03:00 | 11:00 | |
| 04:00 | 12:00 | |
| 05:00 | 13:00 | |
| 06:00 | 14:00 | |
| 07:00 | 15:00 | |
| 08:00 | 16:00 | |
| 09:00 | 17:00 | |
| 10:00 | 18:00 | |
| 11:00 | 19:00 | |
| 12:00 | 20:00 | |
| 13:00 | 21:00 | |
| 14:00 | 22:00 | |
| 15:00 | 23:00 | |
| 16:00 | 00:00 | |
| 17:00 | 01:00 | |
| 18:00 | 02:00 | |
| 19:00 | 03:00 | |
| 20:00 | 04:00 | |
| 21:00 | 05:00 | |
| 22:00 | 06:00 | |
| 23:00 | 07:00 |
What is the time difference between Tokyo and San Francisco?
Right now San Francisco is −16h compared to Tokyo, although the gap can shift by one hour during daylight saving transitions.
Which city is ahead, Tokyo or San Francisco?
Tokyo is ahead of San Francisco. When San Francisco starts the workday, Tokyo is already several hours into it.
What is the best time to schedule a meeting between Tokyo and San Francisco?
The overlap of business hours is no natural overlap. Mornings in Tokyo usually map to late afternoon or evening in San Francisco, depending on the season.
Do Japan and United States observe daylight saving time?
DST behavior differs between Japan and United States, so the gap is not constant year-round. Always re-check the offset close to the meeting date.
How can I convert a specific hour from Tokyo to San Francisco?
Use the 24-hour mapping table on this page. Each row shows the equivalent hour in both cities for the current offset.
- Tokyo ↔ New York🇯🇵 🇺🇸
- Tokyo ↔ London🇯🇵 🇬🇧
- Tokyo ↔ Los Angeles🇯🇵 🇺🇸
- San Francisco ↔ New York🇺🇸 🇺🇸
- San Francisco ↔ London🇺🇸 🇬🇧
- San Francisco ↔ Singapore🇺🇸 🇸🇬