Rome to San Francisco time converter

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

Rome CEST

Tuesday, October 20, 2026

San Francisco PDT

Tuesday, October 20, 2026

Rome
Italy
Tue, Oct 20
CESTUTC+2
San Francisco
California, United States
Tue, Oct 20
PDTUTC-7-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Rome to San Francisco conversion table

Every hour of today in Rome and the matching time in San Francisco. Light rows are typical working hours (9:00–18:00).

RomeSan Francisco
12:00 AM3:00 PM−1 day
1:00 AM4:00 PM−1 day
2:00 AM5:00 PM−1 day
3:00 AM6:00 PM−1 day
4:00 AM7:00 PM−1 day
5:00 AM8:00 PM−1 day
6:00 AM9:00 PM−1 day
7:00 AM10:00 PM−1 day
8:00 AM11:00 PM−1 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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Rome (7:00 AM – 9:00 AM in San Francisco): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Rome and San Francisco switch clocks on different dates:

  • Oct 20, 2026 – Oct 25, 2026: -9h
  • Oct 25, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 20, 2027: -9h

Distance

Rome and San Francisco are 10,049 km (6,244 miles) apart in a straight line.

More conversions

San Francisco to RomeRome to New YorkRome to LondonRome to Los AngelesRome to ChicagoRome to TorontoRome to São PauloRome to ParisRome to BerlinRome to MoscowRome to DubaiRome to New DelhiRome to Bangkok
New York to San FranciscoLondon to San FranciscoLos Angeles to San FranciscoChicago to San FranciscoToronto to San FranciscoSão Paulo to San FranciscoParis to San FranciscoBerlin to San FranciscoMoscow to San FranciscoDubai to San FranciscoNew Delhi to San FranciscoBangkok to San Francisco

Questions and answers

What is the time difference between Rome and San Francisco?

San Francisco is 9 hours behind Rome.

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?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Rome (7:00 AM – 9:00 AM in San Francisco): working hours on one side, early or late on the other.

Does the time difference between Rome and San Francisco change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.