TIME ZONE CONVERTER
Rome to Los Angeles
Time Converter
Convert Rome, Italy to Los Angeles, United States. Compare dates, seasonal differences and meeting hours.
Rome is 8h or 9h ahead of Los Angeles in 2026, depending on the date.
9 AM Rome = 12 AM Los Angeles
Selected date: November 4, 2026.
THE QUICK REFERENCE
CSVRome to Los Angeles conversion table
November 4, 2026 · Date changes are marked.
View the full 24-hour table
| Rome | Los Angeles |
|---|---|
| 12:00 AM | 3:00 PM -1 day |
| 1:00 AM | 4:00 PM -1 day |
| 2:00 AM | 5:00 PM -1 day |
| 3:00 AM | 6:00 PM -1 day |
| 4:00 AM | 7:00 PM -1 day |
| 5:00 AM | 8:00 PM -1 day |
| 6:00 AM | 9:00 PM -1 day |
| 7:00 AM | 10:00 PM -1 day |
| 8:00 AM | 11:00 PM -1 day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| Rome | Los Angeles |
|---|---|
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Starting with the Los Angeles working day
These examples start on 2026-11-04 in Los Angeles.
09:00 Los Angeles18:00 →Rome · 2026-11-04
17:00 Los Angeles02:00 →Rome · 2026-11-05
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Rome to Los Angeles throughout 2026
Keeping 09:00 on the Rome clock produces 2 different destination clock/date answers in 2026. The ranges below use Rome calendar dates, including transition days.
| Dates in Rome · 2026 | Los Angeles answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 867 dates | 00:00Same date | UTC+01:00 → UTC−08:00 | |
| Mar 9 – Mar 2820 dates | 01:00Same date | UTC+01:00 → UTC−07:00 | |
| Mar 29 – Oct 24210 dates | 00:00Same date | UTC+02:00 → UTC−07:00 | |
| Oct 25 – Nov 18 dates | 01:00Same date | UTC+01:00 → UTC−07:00 | |
| Nov 2 – Dec 3160 dates | 00:00Same date | UTC+01:00 → UTC−08:00 |
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 Rome time become a different date in Los Angeles?
Your complete source day: 2026-11-04. Each range shows which destination date to use.
Rome · 2026-11-0400:00–09:00UTC+01:00
Los Angeles · 2026-11-0315:00–24:00UTC−08:00 Previous day
Rome · 2026-11-0409:00–24:00UTC+01:00
Los Angeles · 2026-11-0400:00–15:00UTC−08:00 Same date
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 Los Angeles compares with Rome throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−9h
−8h
−9h
−8h
−9h
Both Rome and Los Angeles change their clocks in 2026. The chart shows whether those changes alter the difference.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | Los Angeles vs Rome |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 10:00 UTC | 9h behind |
| 8 Mar 2026, 10:00 UTC | 29 Mar 2026, 01:00 UTC | 8h behind |
| 29 Mar 2026, 01:00 UTC | 25 Oct 2026, 01:00 UTC | 9h behind |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 09:00 UTC | 8h behind |
| 1 Nov 2026, 09:00 UTC | 1 Jan 2027, 00:00 UTC | 9h behind |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has Los Angeles 9h behind relative to Rome. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with Rome |
|---|---|---|
| 8 Mar 2026, 10:00 UTC | 29 Mar 2026, 01:00 UTC | 8h behind |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 09:00 UTC | 8h behind |
PLAN BEYOND A SINGLE DAY
Daily CSVRome–Los Angeles working hours through 2026
Every date calculated with your working windows. 261 selected Rome 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.
Rome: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Los Angeles: 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.
≈ 10,191 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
Rome to Los Angeles: useful answers
Why is the Rome to Los Angeles difference sometimes 8 hours and sometimes 9 hours?
Rome is 8h or 9h ahead of Los Angeles in 2026, depending on the date. Both Rome and Los Angeles change their clocks in 2026. The chart shows whether those changes alter the difference.
Does the Rome–Los Angeles 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 Rome on 2026-11-04 is 00:00 in Los Angeles on 2026-11-04. This selected time stays on the same date in both places. Other times can cross midnight.
Can Rome and Los Angeles meet during working hours?
Your selected working windows have no shared time on 2026-11-04. 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