TIME ZONE CONVERTER
San Francisco to Tokyo
Time Converter
Convert San Francisco, United States to Tokyo, Japan. Compare dates, seasonal differences and meeting hours.
San Francisco is 16h or 17h behind Tokyo in 2026, depending on the date.
9 AM San Francisco = 2 AM Tokyo Wed, 4 Nov at the destination
Selected date: November 3, 2026.
THE QUICK REFERENCE
CSVSan Francisco to Tokyo conversion table
November 3, 2026 · Date changes are marked.
View the full 24-hour table
| San Francisco | Tokyo |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AM +1 day |
| 8:00 AM | 1:00 AM +1 day |
| 9:00 AM | 2:00 AM +1 day |
| 10:00 AM | 3:00 AM +1 day |
| 11:00 AM | 4:00 AM +1 day |
| San Francisco | Tokyo |
|---|---|
| 12:00 PM | 5:00 AM +1 day |
| 1:00 PM | 6:00 AM +1 day |
| 2:00 PM | 7:00 AM +1 day |
| 3:00 PM | 8:00 AM +1 day |
| 4:00 PM | 9:00 AM +1 day |
| 5:00 PM | 10:00 AM +1 day |
| 6:00 PM | 11:00 AM +1 day |
| 7:00 PM | 12:00 PM +1 day |
| 8:00 PM | 1:00 PM +1 day |
| 9:00 PM | 2:00 PM +1 day |
| 10:00 PM | 3:00 PM +1 day |
| 11:00 PM | 4:00 PM +1 day |
Starting with the Tokyo working day
These examples start on 2026-11-03 in Tokyo.
09:00 Tokyo16:00 →San Francisco · 2026-11-02
17:00 Tokyo00:00 →San Francisco · 2026-11-03
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 San Francisco to Tokyo throughout 2026
Keeping 09:00 on the San Francisco clock produces 2 different destination clock/date answers in 2026. The ranges below use San Francisco calendar dates, including transition days.
| Dates in San Francisco · 2026 | Tokyo answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 02:00Next day | UTC−08:00 → UTC+09:00 | |
| Mar 8 – Oct 31238 dates | 01:00Next day | UTC−07:00 → UTC+09:00 | |
| Nov 1 – Dec 3161 dates | 02:00Next day | UTC−08:00 → UTC+09:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does San Francisco time become a different date in Tokyo?
Your complete source day: 2026-11-03. Each range shows which destination date to use.
San Francisco · 2026-11-0300:00–07:00UTC−08:00
Tokyo · 2026-11-0317:00–24:00UTC+09:00 Same date
San Francisco · 2026-11-0307:00–24:00UTC−08:00
Tokyo · 2026-11-0400:00–17:00UTC+09:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How Tokyo compares with San Francisco throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+17h
+16h
+17h
San Francisco changes its UTC offset in 2026. Tokyo keeps one UTC offset this year.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | Tokyo vs San Francisco |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 10:00 UTC | 17h ahead |
| 8 Mar 2026, 10:00 UTC | 1 Nov 2026, 09:00 UTC | 16h ahead |
| 1 Nov 2026, 09:00 UTC | 1 Jan 2027, 00:00 UTC | 17h ahead |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has Tokyo 16h ahead relative to San Francisco. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with San Francisco |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 10:00 UTC | 17h ahead |
| 1 Nov 2026, 09:00 UTC | 1 Jan 2027, 00:00 UTC | 17h ahead |
PLAN BEYOND A SINGLE DAY
Daily CSVSan Francisco–Tokyo working hours through 2026
Every date calculated with your working windows. 261 selected San Francisco workdays; public holidays are not applied.
Least shared time0h
Most common0h
Most shared time1h
Days without a 60-min slot188 / 261
One fixed start time does not fit every working day.
188 selected host workdays cannot fit the complete meeting. Adjust working days, hours or duration above, or use different seasonal meeting times.
San Francisco: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Tokyo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
TWO PLACES. ONE CONNECTION.
≈ 8,271 km apartAcross the map. Across the clock.
City-center coordinates. Distance is an approximate great-circle distance, not a flight route.
THE DETAILS THAT MATTER
San Francisco to Tokyo: useful answers
Why is the San Francisco to Tokyo difference sometimes 16 hours and sometimes 17 hours?
San Francisco is 16h or 17h behind Tokyo in 2026, depending on the date. San Francisco changes its UTC offset in 2026. Tokyo keeps one UTC offset this year.
Does the San Francisco–Tokyo time difference change in 2026?
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in San Francisco on 2026-11-03 is 02:00 in Tokyo on 2026-11-04. Use the destination date when adding the meeting to a calendar.
Can San Francisco and Tokyo meet during working hours?
Your selected working windows share 1h on 2026-11-03. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology