Time difference
Rome to Tokyo Time Difference
Tokyo is 7 hours ahead of Rome — when it's 12:00 PM in Rome, it's 7:00 PM in Tokyo. (Rome (Europe/Rome, CEST); Tokyo (Asia/Tokyo, JST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Tokyo is 7 hours ahead of Rome. The best window for a call is 9 AM–10 AM in Rome, which is 4 PM–5 PM in Tokyo — a 1-hour overlap inside 9 AM–5 PM on both sides. Clocks change on October 25, 2026, which briefly shifts the gap between Rome and Tokyo — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Rome, it's 4:00 PM in Tokyo.
- When it's 9:00 AM in Tokyo, it's 2:00 AM in Rome.
Tokyo is currently 7 hours ahead of Rome.
Interactive converter
12:00PM
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Best times to meet
The 9 AM – 5 PM business windows in Rome and Tokyo overlap for 1 hour. 9 AM–10 AM in Rome is 4 PM–5 PM in Tokyo. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Rome | Tokyo |
|---|---|
| 12 AM | 7:00 AM |
| 1 AM | 8:00 AM |
| 2 AM | 9:00 AM |
| 3 AM | 10:00 AM |
| 4 AM | 11:00 AM |
| 5 AM | 12:00 PM |
| 6 AM | 1:00 PM |
| 7 AM | 2:00 PM |
| 8 AM | 3:00 PM |
| 9 AM | 4:00 PM |
| 10 AM | 5:00 PM |
| 11 AM | 6:00 PM |
| 12 PM | 7:00 PM |
| 1 PM | 8:00 PM |
| 2 PM | 9:00 PM |
| 3 PM | 10:00 PM |
| 4 PM | 11:00 PM |
| 5 PM | 12:00 AM (next day) |
| 6 PM | 1:00 AM (next day) |
| 7 PM | 2:00 AM (next day) |
| 8 PM | 3:00 AM (next day) |
| 9 PM | 4:00 AM (next day) |
| 10 PM | 5:00 AM (next day) |
| 11 PM | 6:00 AM (next day) |
Daylight saving
On October 25, 2026, Rome shifts for daylight saving. After that, Tokyo will be 8 hours ahead of Rome (currently 7 hours ahead of Rome). The converter and the tables above always reflect the correct offset for the date you pick.
- Rome is currently observing daylight saving time.
- Tokyo does not observe daylight saving time.
Frequently asked questions
- Is Tokyo ahead of or behind Rome?
- Tokyo is 7 hours ahead of Rome.
- How many hours ahead of Rome is Tokyo?
- Tokyo is 7 hours ahead of Rome.
- What time is 9 AM in Rome in Tokyo?
- 9:00 AM in Rome is 4:00 PM in Tokyo.
- What time is noon in Rome in Tokyo?
- 12:00 PM in Rome is 7:00 PM in Tokyo.
- What time is 5 PM in Rome in Tokyo?
- 5:00 PM in Rome is 12:00 AM the next day in Tokyo. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Rome in Tokyo?
- 3:00 PM in Rome is 10:00 PM in Tokyo.
- Is Rome currently observing daylight saving time?
- Rome is currently observing daylight saving time (summer time).
- Is Tokyo currently observing daylight saving time?
- Tokyo does not observe daylight saving time — its UTC offset stays the same all year.
- Do Rome and Tokyo observe daylight saving?
- On October 25, 2026, Rome shifts for daylight saving. After that, Tokyo will be 8 hours ahead of Rome (currently 7 hours ahead of Rome). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Tokyo from Rome?
- Aim for 9 AM–10 AM in Rome, which is 4 PM–5 PM in Tokyo.
- When is the best time to call Rome from Tokyo?
- Aim for 4 PM–5 PM in Tokyo, which is 9 AM–10 AM in Rome.
- Rome (CEST) to Tokyo (JST) — how do I convert quickly?
- Add 7 hours to Rome local time to get Tokyo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- New York to Rome
- London to Rome
- Dubai to Rome
- Rome to Singapore
- Los Angeles to Rome
- Rome to Sydney
- Paris to Rome
- Mumbai to Rome
- Hong Kong to Rome
- Rome to San Francisco