Most of the year, Seoul is 2 hours behind Sydney. During Apr 5–Oct 3, Seoul is 1 hour behind Sydney.
| Sydney | Seoul Most of the year | Seoul Apr 5–Oct 3 |
|---|---|---|
| 12 AM | 10 PMprevious day | 11 PMprevious day |
| 1 AM | 11 PMprevious day | 12 AM |
| 2 AM | 12 AM | 1 AM |
| 3 AM | 1 AM | 2 AM |
| 4 AM | 2 AM | 3 AM |
| 5 AM | 3 AM | 4 AM |
| 6 AM | 4 AM | 5 AM |
| 7 AM | 5 AM | 6 AM |
| 8 AM | 6 AM | 7 AM |
| 9 AM | 7 AM | 8 AM |
| 10 AM | 8 AM | 9 AM |
| 11 AM | 9 AM | 10 AM |
| 12 PM | 10 AM | 11 AM |
| 1 PM | 11 AM | 12 PM |
| 2 PM | 12 PM | 1 PM |
| 3 PM | 1 PM | 2 PM |
| 4 PM | 2 PM | 3 PM |
| 5 PM | 3 PM | 4 PM |
| 6 PM | 4 PM | 5 PM |
| 7 PM | 5 PM | 6 PM |
| 8 PM | 6 PM | 7 PM |
| 9 PM | 7 PM | 8 PM |
| 10 PM | 8 PM | 9 PM |
| 11 PM | 9 PM | 10 PM |
Sydney observes daylight saving time from Oct 4, 2026 to Apr 4, 2027, when clocks move forward one hour.
Seoul does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year, Seoul is 2 hours behind Sydney. During Apr 5–Oct 3, Seoul is 1 hour behind Sydney.
Sydney observes daylight saving time from Oct 4, 2026 to Apr 4, 2027, when clocks move forward one hour. Seoul does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year: Both cities are in business hours at Sydney 11 AM–6 PM (Seoul 9 AM–4 PM). Apr 5–Oct 3: Both cities are in business hours at Sydney 10 AM–6 PM (Seoul 9 AM–5 PM).