TIME ZONE CONVERTER
San Francisco to Rome
Time Converter
Convert San Francisco, United States to Rome, Italy. Compare dates, seasonal differences and meeting hours.
San Francisco is 8h or 9h behind Rome in 2026, depending on the date.
9 AM San Francisco = 6 PM Rome
Selected date: November 10, 2026.
THE QUICK REFERENCE
CSVSan Francisco to Rome conversion table
November 10, 2026 · Date changes are marked.
View the full 24-hour table
| San Francisco | Rome |
|---|---|
| 12:00 AM | 9:00 AM |
| 1:00 AM | 10:00 AM |
| 2:00 AM | 11:00 AM |
| 3:00 AM | 12:00 PM |
| 4:00 AM | 1:00 PM |
| 5:00 AM | 2:00 PM |
| 6:00 AM | 3:00 PM |
| 7:00 AM | 4:00 PM |
| 8:00 AM | 5:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 PM |
| San Francisco | Rome |
|---|---|
| 12:00 PM | 9:00 PM |
| 1:00 PM | 10:00 PM |
| 2:00 PM | 11:00 PM |
| 3:00 PM | 12:00 AM +1 day |
| 4:00 PM | 1:00 AM +1 day |
| 5:00 PM | 2:00 AM +1 day |
| 6:00 PM | 3:00 AM +1 day |
| 7:00 PM | 4:00 AM +1 day |
| 8:00 PM | 5:00 AM +1 day |
| 9:00 PM | 6:00 AM +1 day |
| 10:00 PM | 7:00 AM +1 day |
| 11:00 PM | 8:00 AM +1 day |
Starting with the Rome working day
These examples start on 2026-11-10 in Rome.
09:00 Rome00:00 →San Francisco · 2026-11-10
17:00 Rome08:00 →San Francisco · 2026-11-10
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 San Francisco to Rome throughout 2026
Keeping 09:00 on the San Francisco clock produces 2 different destination clock/date answers in 2026. The ranges below use San Francisco calendar dates, including transition days.
| Dates in San Francisco · 2026 | Rome answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 18:00Same date | UTC−08:00 → UTC+01:00 | |
| Mar 8 – Mar 2821 dates | 17:00Same date | UTC−07:00 → UTC+01:00 | |
| Mar 29 – Oct 24210 dates | 18:00Same date | UTC−07:00 → UTC+02:00 | |
| Oct 25 – Oct 317 dates | 17:00Same date | UTC−07:00 → UTC+01:00 | |
| Nov 1 – Dec 3161 dates | 18:00Same date | UTC−08:00 → UTC+01:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does San Francisco time become a different date in Rome?
Your complete source day: 2026-11-10. Each range shows which destination date to use.
San Francisco · 2026-11-1000:00–15:00UTC−08:00
Rome · 2026-11-1009:00–24:00UTC+01:00 Same date
San Francisco · 2026-11-1015:00–24:00UTC−08:00
Rome · 2026-11-1100:00–09:00UTC+01:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How Rome compares with San Francisco throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+9h
+8h
+9h
+8h
+9h
Both San Francisco and Rome change their clocks in 2026. The chart shows whether those changes alter the difference.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | Rome vs San Francisco |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 10:00 UTC | 9h ahead |
| 8 Mar 2026, 10:00 UTC | 29 Mar 2026, 01:00 UTC | 8h ahead |
| 29 Mar 2026, 01:00 UTC | 25 Oct 2026, 01:00 UTC | 9h ahead |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 09:00 UTC | 8h ahead |
| 1 Nov 2026, 09:00 UTC | 1 Jan 2027, 00:00 UTC | 9h ahead |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has Rome 9h ahead relative to San Francisco. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with San Francisco |
|---|---|---|
| 8 Mar 2026, 10:00 UTC | 29 Mar 2026, 01:00 UTC | 8h ahead |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 09:00 UTC | 8h ahead |
PLAN BEYOND A SINGLE DAY
Daily CSVSan Francisco–Rome working hours through 2026
Every date calculated with your working windows. 261 selected San Francisco workdays; public holidays are not applied.
Least shared time0h
Most common0h
Most shared time0h
Days without a 60-min slot261 / 261
One fixed start time does not fit every working day.
Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.
San Francisco: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Rome: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
TWO PLACES. ONE CONNECTION.
≈ 10,049 km apartAcross the map. Across the clock.
City-center coordinates. Distance is an approximate great-circle distance, not a flight route.
THE DETAILS THAT MATTER
San Francisco to Rome: useful answers
Why is the San Francisco to Rome difference sometimes 8 hours and sometimes 9 hours?
San Francisco is 8h or 9h behind Rome in 2026, depending on the date. Both San Francisco and Rome change their clocks in 2026. The chart shows whether those changes alter the difference.
Does the San Francisco–Rome time difference change in 2026?
The published rules produce 5 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in San Francisco on 2026-11-10 is 18:00 in Rome on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Can San Francisco and Rome meet during working hours?
Your selected working windows have no shared time on 2026-11-10. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology