Time Difference: Osaka vs Sydney

Sydney is 2 hours ahead of Osaka.

Quick Reference

Osaka
JST (GMT+9)

No Daylight Saving Time

Sydney
AEDT (GMT+11)

AEST starts on Apr 4, 2026

Frequently Asked Questions

What is the time difference between Osaka and Sydney?
Sydney is 2 hours ahead of Osaka.
When is the best time to call from Osaka to Sydney?
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 Sydney uses AEDT.
Time Difference: Osaka vs Sydney — 2 Hours | Timezone App