Rome to Hawaii time conversion
Hawaii is 12 hours behind Rome. After the next clock change (): Hawaii is 11 hours behind Rome.
Time difference with your location
Rome is 2 hours ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in Rome to convert it to Hawaii on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · Rome → Hawaii
This table converts each hour in Rome to Hawaii on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| Rome | Hawaii | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 12:0012:00 PM -1 day | |
| 01:001:00 AM | 13:001:00 PM -1 day | |
| 02:002:00 AM | 14:002:00 PM -1 day | |
| 03:003:00 AM | 15:003:00 PM -1 day | |
| 04:004:00 AM | 16:004:00 PM -1 day | |
| 05:005:00 AM | 17:005:00 PM -1 day | |
| 06:006:00 AM | 18:006:00 PM -1 day | |
| 07:007:00 AM | 19:007:00 PM -1 day | |
| 08:008:00 AM | 20:008:00 PM -1 day | |
| 09:009:00 AM | 21:009:00 PM -1 day | |
| 10:0010:00 AM | 22:0010:00 PM -1 day | |
| 11:0011:00 AM | 23:0011:00 PM -1 day | |
| 12:0012:00 PM | 00:0012:00 AM | |
| 13:001:00 PM | 01:001:00 AM | |
| 14:002:00 PM | 02:002:00 AM | |
| 15:003:00 PM | 03:003:00 AM | |
| 16:004:00 PM | 04:004:00 AM | |
| 17:005:00 PM | 05:005:00 AM | |
| 18:006:00 PM | 06:006:00 AM | |
| 19:007:00 PM | 07:007:00 AM | |
| 20:008:00 PM | 08:008:00 AM | |
| 21:009:00 PM | 09:009:00 AM | |
| 22:0010:00 PM | 10:0010:00 AM | |
| 23:0011:00 PM | 11:0011:00 AM |
Quick conversion examples
These examples convert local times in Rome to Hawaii on 2026-10-21.
Conversion formula: Hawaii = Rome − 12h · Rome − 11h.
| Rome | Hawaii |
|---|---|
| 6:00 AM Rome | = 6:00 PM Hawaii (-1 day) |
| 7:00 AM Rome | = 7:00 PM Hawaii (-1 day) |
| 8:00 AM Rome | = 8:00 PM Hawaii (-1 day) |
| 9:00 AM Rome | = 9:00 PM Hawaii (-1 day) |
| 10:00 AM Rome | = 10:00 PM Hawaii (-1 day) |
| 12:00 PM Rome | = 12:00 AM Hawaii |
| 3:00 PM Rome | = 3:00 AM Hawaii |
| 5:00 PM Rome | = 5:00 AM Hawaii |
| 6:00 PM Rome | = 6:00 AM Hawaii |
| 8:00 PM Rome | = 8:00 AM Hawaii |
Overlapping meeting hours
The 08:00–18:00 working days in Rome and Hawaii do not overlap on 2026-10-21.
Clock changes on both sides, 2026–2028
Rome and Hawaii have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | Rome | Hawaii |
|---|---|---|
| 2026 | · 02:00 → 03:00 · 03:00 → 02:00 | No clock changes; UTC-10 all year. |
| 2027 | · 02:00 → 03:00 · 03:00 → 02:00 | No clock changes; UTC-10 all year. |
| 2028 | · 02:00 → 03:00 · 03:00 → 02:00 | No clock changes; UTC-10 all year. |
At the start of 2026, Hawaii is 11 hours behind Rome. The difference changes during the following periods.
- From 2026-03-29 03:00 Rome until 2026-10-25 02:00 Rome, Hawaii is 12 hours behind Rome.
- From 2027-03-28 03:00 Rome until 2027-10-31 02:00 Rome, Hawaii is 12 hours behind Rome.
- From 2028-03-26 03:00 Rome until 2028-10-29 02:00 Rome, Hawaii is 12 hours behind Rome.
Frequently asked questions
What time is 9 AM Rome in Hawaii?
9:00 AM Rome = 9:00 PM Hawaii (-1 day), using UTC+2 and UTC-10. Choose a date above for the seasonal local time.
Does the time difference between Rome and Hawaii change during the year?
Yes. During 2026–2028: Hawaii is 12 hours behind Rome; Hawaii is 11 hours behind Rome. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in Hawaii?
Read the Hawaii clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between Rome and Hawaii?
The 08:00–18:00 working days in Rome and Hawaii do not overlap.
What is the time difference between Rome and Hawaii now?
Right now, Hawaii is 12 hours behind Rome. Conversion formula: Hawaii = Rome − 12h · Rome − 11h.