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Time difference between Rome and San Francisco

San Francisco is 9 hours behind Rome.

Rome
Italy · Central European Standard Time
1:31 AM
Thursday, November 12, 2026
San Francisco
United States · Pacific Standard Time
4:31 PM
Wednesday, November 11, 2026
Compare more placesSan Francisco to Rome

Rome to San Francisco time converter

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

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

Questions

What is the time difference between Rome and San Francisco?

San Francisco is 9 hours behind Rome. Rome is on UTC+1 and San Francisco is on UTC−8.

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

When it is 9:00 AM in Rome, it is 12:00 AM in San Francisco.

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

There are no shared office hours. The most comfortable time to call is 5:00 PM–10:00 PM in Rome (8:00 AM–1:00 PM in San Francisco), when both places are awake.

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

Both Rome and San Francisco usually work Monday to Friday.

Does the time difference between Rome and San Francisco change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when San Francisco will be 8 hours behind Rome.

Rome is 9 hours ahead of San Francisco. More: time in Rome · time in San Francisco

Time difference from Rome to other cities

All Rome time differences →

Time difference from San Francisco