Rome → San Francisco: Décalage horaire
San Francisco is 9 hours behind Rome.
How the difference works
Rome uses Europe/Rome (UTC+1 standard time) and San Francisco uses America/Los_Angeles (UTC-8 standard time) — a standard-time gap of 9 hours behind Rome. 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.
Rome → San Francisco, hour by hour
| Rome | San Francisco | Meilleures heures pour appeler |
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Questions fréquentes
What is the time difference between Rome and San Francisco?
In standard time, San Francisco is 9 hours behind Rome. 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 Rome, what time is it in San Francisco?
In standard time it is 00:00 in San Francisco. 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 San Francisco from Rome?
About 10,047 km (6,243 miles) as the crow flies, computed from city-center coordinates.