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Time difference between San Francisco and Tokyo

Tokyo is 17 hours ahead of San Francisco.

United States · Pacific Standard Time
4:35 PM
Wednesday, November 11, 2026
Tokyo
Japan · Japan Standard Time
9:35 AM
Thursday, November 12, 2026

San Francisco to Tokyo time converter

Green rows are office hours in both places; light green rows are when both are awake.

San FranciscoTokyo
12:00 AM5:00 PM
1:00 AM6:00 PM
2:00 AM7:00 PM
3:00 AM8:00 PM
4:00 AM9:00 PM
5:00 AM10:00 PM
6:00 AM11:00 PM
7:00 AM12:00 AM (next day)
8:00 AM1:00 AM (next day)
9:00 AM2:00 AM (next day)
10:00 AM3:00 AM (next day)
11:00 AM4:00 AM (next day)
12:00 PM5:00 AM (next day)
1:00 PM6:00 AM (next day)
2:00 PM7:00 AM (next day)
3:00 PM8:00 AM (next day)
4:00 PM9:00 AM (next day)
5:00 PM10:00 AM (next day)
6:00 PM11:00 AM (next day)
7:00 PM12:00 PM (next day)
8:00 PM1:00 PM (next day)
9:00 PM2:00 PM (next day)
10:00 PM3:00 PM (next day)
11:00 PM4:00 PM (next day)

Questions

What is the time difference between San Francisco and Tokyo?

Tokyo is 17 hours ahead of San Francisco. San Francisco is on UTC−8 and Tokyo is on UTC+9.

What time is it in Tokyo when it is 9 AM in San Francisco?

When it is 9:00 AM in San Francisco, it is 2:00 AM the next day in Tokyo.

When is the best time to call Tokyo from San Francisco?

The best time to call or meet is 4:00 PM–6:00 PM in San Francisco (9:00 AM–11:00 AM in Tokyo), when both places are in normal office hours.

Which days are working days in both San Francisco and Tokyo?

Both San Francisco and Tokyo usually work Monday to Friday.

Does the time difference between San Francisco and Tokyo change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Tokyo will be 16 hours ahead of San Francisco.

San Francisco is 17 hours behind Tokyo. More: time in San Francisco · time in Tokyo

Time difference from San Francisco to other cities

All San Francisco time differences →

Time difference from Tokyo