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Time difference between Osaka and San Francisco

San Francisco is 16 hours behind Osaka.

Osaka
Japan · Japan Standard Time
4:46 PM
Wednesday, October 21, 2026
San Francisco
United States · Pacific Daylight Time
12:46 AM
Wednesday, October 21, 2026
Compare more placesSan Francisco to Osaka

Osaka to San Francisco time converter

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

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

Questions

What is the time difference between Osaka and San Francisco?

San Francisco is 16 hours behind Osaka. Osaka is on UTC+9 and San Francisco is on UTC−7.

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

When it is 9:00 AM in Osaka, it is 5:00 PM the previous day in San Francisco.

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

The best time to call or meet is 9:00 AM–10:00 AM in Osaka (5:00 PM–6:00 PM in San Francisco), when both places are in normal office hours.

Does the time difference between Osaka and San Francisco change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when San Francisco will be 17 hours behind Osaka.

Osaka is 16 hours ahead of San Francisco. More: time in Osaka · time in San Francisco

Time difference from Osaka to other cities

All Osaka time differences →

Time difference from San Francisco