Best overlap: 3:00 PM to 6:00 PM in Tokyo is 8:00 AM to 11:00 AM in Rome.
Aim for 3:00 PM to 6:00 PM Tokyo time — that's 8:00 AM to 11:00 AM over in Rome. You share roughly 3 hours a day. That's enough for regular meetings, but treat the window as prime time and guard it. Finally, Rome observes daylight saving and Tokyo doesn't, so this window shifts by an hour for part of the year — recheck it each spring and autumn.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Tokyo Asia/Tokyo | ||||||||||||||||||||||||
Rome Europe/Rome |
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