San Francisco, United States
Sat, Jul 4, 2026 07:37
- Timezone
- America/Los_Angeles
- UTC offset
- UTC-07:00
- Daylight saving
- Yes
San Francisco and Tokyo Time Difference
Compare San Francisco vs Tokyo time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
What is the time difference between San Francisco and Tokyo?
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Tokyo is ahead of or behind San Francisco.
Current time difference
Tokyo, Japan
Sat, Jul 4, 2026 23:37
- Timezone
- Asia/Tokyo
- UTC offset
- UTC+09:00
- Daylight saving
- No
Time difference
Tokyo is 16 hours ahead of San Francisco
UTC offset difference
+16:00
Suggested call window
Sat, Jul 4, 17:00-23:00 / Sun, Jul 5, 09:00-15:00
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
San Francisco is 16 hours behind Tokyo
The difference changes during 2026 because San Francisco changes UTC offset during the year and Tokyo keeps a fixed UTC offset. Jan 1-Mar 7: San Francisco is 17 hours behind Tokyo; Mar 8-Oct 31: San Francisco is 16 hours behind Tokyo; Nov 1-Dec 31: San Francisco is 17 hours behind Tokyo.
San Francisco
UTC-07:00 · Seasonal clock changes; DST is active now
Tokyo
UTC+09:00 · No seasonal offset change detected
Business Call Window
09:00-18:00 work-hour overlap
Both 09:00-18:00 workdays overlap. A practical window is 17:00-18:00 in San Francisco, which is 09:00-10:00 in Tokyo.
San Francisco: 17:00-18:00
Tokyo: 09:00-10:00
24-Hour Conversion Table
San Francisco to Tokyo hourly time conversion
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| San Francisco | Tokyo |
|---|---|
| 00:00 | 16:00 |
| 01:00 | 17:00 |
| 02:00 | 18:00 |
| 03:00 | 19:00 |
| 04:00 | 20:00 |
| 05:00 | 21:00 |
| 06:00 | 22:00 |
| 07:00 | 23:00 |
| 08:00 | 00:00 (next day) |
| 09:00 | 01:00 (next day) |
| 10:00 | 02:00 (next day) |
| 11:00 | 03:00 (next day) |
| 12:00 | 04:00 (next day) |
| 13:00 | 05:00 (next day) |
| 14:00 | 06:00 (next day) |
| 15:00 | 07:00 (next day) |
| 16:00 | 08:00 (next day) |
| 17:00 | 09:00 (next day) |
| 18:00 | 10:00 (next day) |
| 19:00 | 11:00 (next day) |
| 20:00 | 12:00 (next day) |
| 21:00 | 13:00 (next day) |
| 22:00 | 14:00 (next day) |
| 23:00 | 15:00 (next day) |
FAQ
What is the current time difference between San Francisco and Tokyo?
San Francisco is 16 hours behind Tokyo. This uses the active IANA timezone offsets for today.
When does the San Francisco-Tokyo time difference change in 2026?
The difference changes during 2026 because San Francisco changes UTC offset during the year and Tokyo keeps a fixed UTC offset. Jan 1-Mar 7: San Francisco is 17 hours behind Tokyo; Mar 8-Oct 31: San Francisco is 16 hours behind Tokyo; Nov 1-Dec 31: San Francisco is 17 hours behind Tokyo.
What are the current UTC offsets for San Francisco and Tokyo?
San Francisco is currently UTC-07:00; Tokyo is currently UTC+09:00.
Which direction does the clock change when flying from San Francisco to Tokyo?
Travelers from San Francisco to Tokyo move their clock forward by 16 hours.
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