San Francisco → Rome: Time Difference
Rome is 9 hours ahead of San Francisco.
How the difference works
San Francisco uses America/Los_Angeles (UTC-8 standard time) and Rome uses Europe/Rome (UTC+1 standard time) — a standard-time gap of 9 hours ahead of San Francisco. Both cities observe daylight saving time, but they switch on different dates, so the gap can temporarily change around those transitions.
Distance: about 10,047 km (6,243 mi) great-circle distance.
San Francisco → Rome, hour by hour
| San Francisco | Rome | Best hours to call |
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Frequently asked questions
What is the time difference between San Francisco and Rome?
In standard time, Rome is 9 hours ahead of San Francisco. Both cities observe daylight saving time, but they switch on different dates, so the gap can temporarily change around those transitions.
When it is 9:00 in San Francisco, what time is it in Rome?
In standard time it is 18:00 in Rome. During daylight saving periods the answer can move by an hour — the live table on this page always reflects today's rules.
How far is Rome from San Francisco?
About 10,047 km (6,243 miles) as the crow flies, computed from city-center coordinates.
San Francisco → Time Difference
- San Francisco → New York
- San Francisco → Los Angeles
- San Francisco → Chicago
- San Francisco → Washington, D.C.
- San Francisco → Miami
- San Francisco → Las Vegas
- San Francisco → Honolulu
- San Francisco → Vancouver
- San Francisco → Frankfurt
- San Francisco → Zurich
- San Francisco → Bangkok
- San Francisco → Jakarta
- Rome → San Francisco