Time Difference: Osaka vs Rome
Rome is 7 hours behind Osaka.
Quick Reference
- Osaka
- JST (GMT+9)
No Daylight Saving Time
- Rome
- CEST (GMT+2)
CET starts on Oct 25, 2026
Frequently Asked Questions
- What is the time difference between Osaka and Rome?
- Rome is 7 hours behind Osaka.
- When is the best time to call from Osaka to Rome?
- The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
- Does the time difference change with daylight saving time?
- The time difference may change when either city enters or exits daylight saving time. Osaka uses JST and Rome uses CEST.