Time Difference: Seoul vs Sydney
Seoul
10:30:58 AM KST
Thursday, May 14, 2026
1h
1h
Sydney
11:30:58 AM AEST
Thursday, May 14, 2026
Sydney is 1 hour ahead of Seoul.
Quick Reference
- Seoul
- KST (GMT+9)
No Daylight Saving Time
- Sydney
- AEST (GMT+10)
AEDT starts on Oct 3, 2026
Frequently Asked Questions
- What is the time difference between Seoul and Sydney?
- Sydney is 1 hour ahead of Seoul.
- When is the best time to call from Seoul 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. Seoul uses KST and Sydney uses AEST.