Seoul, South Korea
Sat, Jul 4, 2026 23:37
- Timezone
- Asia/Seoul
- UTC offset
- UTC+09:00
- Daylight saving
- No
Seoul and Sydney Time Difference
Compare Seoul vs Sydney time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
What is the time difference between Seoul and Sydney?
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Sydney is ahead of or behind Seoul.
Current time difference
Sydney, Australia
Sun, Jul 5, 2026 00:37
- Timezone
- Australia/Sydney
- UTC offset
- UTC+10:00
- Daylight saving
- No
Time difference
Sydney is 1 hour ahead of Seoul
UTC offset difference
+01:00
Suggested call window
Sat, Jul 4, 08:00-17:00 / Sat, Jul 4, 09:00-18:00
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
Seoul is 1 hour behind Sydney
The difference changes during 2026 because Seoul keeps a fixed UTC offset and Sydney changes UTC offset during the year. Jan 1-Apr 4: Seoul is 2 hours behind Sydney; Apr 5-Oct 3: Seoul is 1 hour behind Sydney; Oct 4-Dec 31: Seoul is 2 hours behind Sydney.
Seoul
UTC+09:00 · No seasonal offset change detected
Sydney
UTC+10:00 · Seasonal clock changes; DST is inactive now
Business Call Window
09:00-18:00 work-hour overlap
Both 09:00-18:00 workdays overlap. A practical window is 09:00-17:00 in Seoul, which is 10:00-18:00 in Sydney.
Seoul: 09:00-17:00
Sydney: 10:00-18:00
24-Hour Conversion Table
Seoul to Sydney hourly time conversion
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| Seoul | Sydney |
|---|---|
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00 (next day) |
FAQ
What is the current time difference between Seoul and Sydney?
Seoul is 1 hour behind Sydney. This uses the active IANA timezone offsets for today.
When does the Seoul-Sydney time difference change in 2026?
The difference changes during 2026 because Seoul keeps a fixed UTC offset and Sydney changes UTC offset during the year. Jan 1-Apr 4: Seoul is 2 hours behind Sydney; Apr 5-Oct 3: Seoul is 1 hour behind Sydney; Oct 4-Dec 31: Seoul is 2 hours behind Sydney.
What are the current UTC offsets for Seoul and Sydney?
Seoul is currently UTC+09:00; Sydney is currently UTC+10:00.
Which direction does the clock change when flying from Seoul to Sydney?
Travelers from Seoul to Sydney move their clock forward by 1 hour.
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