Time Difference: Seoul to Sydney
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Seoul vs Sydney timezone guide
Seoul (South Korea) uses the Asia/Seoul timezone at UTC+9, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 1 hour ahead of Seoul (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between Seoul and Sydney
Standard 9-to-5 working hours overlap by 6 hours per day. The shared window is 9am–3pm in Seoul, which is 11am–5pm in Sydney. Schedule recurring meetings inside that window and both teams stay inside standard working hours.
Hour-by-hour planner
| Seoul | Sydney | Status |
|---|---|---|
| 6am | 8am | Seoul early, Sydney early |
| 7am | 9am | One side outside 9-to-5 but still awake |
| 8am | 10am | One side outside 9-to-5 but still awake |
| 9am | 11am | Both at work — ideal meeting time |
| 10am | 12pm | Both at work — ideal meeting time |
| 11am | 1pm | Both at work — ideal meeting time |
| 12pm | 2pm | Both at work — ideal meeting time |
| 1pm | 3pm | Both at work — ideal meeting time |
| 2pm | 4pm | Both at work — ideal meeting time |
| 3pm | 5pm | One side outside 9-to-5 but still awake |
| 4pm | 6pm | One side outside 9-to-5 but still awake |
| 5pm | 7pm | Seoul evening, Sydney evening |
| 6pm | 8pm | Seoul evening, Sydney evening |
| 7pm | 9pm | Seoul evening, Sydney evening |
| 8pm | 10pm | Seoul evening, Sydney late evening |
| 9pm | 11pm | Seoul evening, Sydney late evening |
| 10pm | 12am | Seoul late evening, Sydney asleep |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between Seoul and Sydney
Sydney observes daylight saving time, but Seoul does not. That means the difference between the two cities changes seasonally — by one hour, around Sydney's transition dates.
- Jan 1 → Apr 5Seoul is 2 hours behind Sydney
- Apr 5 → Oct 4Seoul is 1 hour behind Sydney
- Oct 4 → Jan 1Seoul is 2 hours behind Sydney
Distance between Seoul and Sydney
Seoul and Sydney are 8,329 km apart along the great-circle route. A direct flight takes roughly ~10h 48m, depending on aircraft type, winds, and routing.