Rome and San Francisco Time Zone Planner
Rome leads by 9 hours
Quick time conversions: Rome → San Francisco
Common reference points to help you plan across the time difference.
At 5:00 PM Rome time, you're looking at 8:00 AM in San Francisco.
If it's 1:00 PM where I am in Rome, what does San Francisco show?—4:00 AM
3:00 PMin Rome→6:00 AMin San Francisco
Setting a 7:00 AM alarm in Rome? That's 10:00 PM for San Francisco.(-1 day)
11:00 AMin Rome→2:00 AMin San Francisco
I'm in Rome at 4:00 PM — what time is my colleague in San Francisco seeing?—7:00 AM
12:00 PMin Rome→3:00 AMin San Francisco
Frequently Asked Questions
How many hours difference between Rome and San Francisco?
Rome and San Francisco are 9 hours apart. Rome (Europe/Rome) is ahead of San Francisco (America/Los_Angeles).
Can I find a standard business hour that suits both Rome and San Francisco?
Rome and San Francisco don't share standard business hours. Async tools or flexible scheduling are the practical approach.
Will daylight saving affect my Rome–San Francisco meetings this week?
Neither Rome nor San Francisco has a DST transition this week. The 9 hours gap remains consistent.
12:00 PM in Rome is what time in San Francisco?
When it is 12:00 noon in Rome, it is 3:00 AM in San Francisco.
What is the easiest way to convert between Rome and San Francisco time zones?
Simply drag the slider to your Rome time — San Francisco and all other locations update in real time. Accuracy is to the minute, DST-aware.
Are there any upcoming public holidays in Rome or San Francisco?
Watch out for Assumption Day in Rome on August 15 — offices may be closed or understaffed.
How do Rome and San Francisco relate to UTC?
Europe/Rome covers Rome; America/Los_Angeles covers San Francisco. This gives a 9 hours difference.
How are the UTC offsets of Rome and San Francisco calculated?
Rome uses Europe/Rome and San Francisco uses America/Los_Angeles. The 9 hours difference between them reflects their distinct UTC offset positions.
Rome ↔ San Francisco
No overlap — one side will join outside working hours· Showing afternoon hours (12:00–20:00)
Rome
San Francisco
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.