Time Difference Between Ulsan and Sydney
Sydney is 1 hour ahead Ulsan.
South Korea
Ulsan
Asia/Seoul · UTC+9
Australia
Sydney
Australia/Sydney · UTC+10
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Ulsan and Sydney.
Ulsan
9:00 AM
Sydney
10:00 AM
Ulsan
10:00 AM
Sydney
11:00 AM
Ulsan
11:00 AM
Sydney
12:00 PM
Ulsan
12:00 PM
Sydney
1:00 PM
Ulsan
1:00 PM
Sydney
2:00 PM
Ulsan
2:00 PM
Sydney
3:00 PM
Ulsan
3:00 PM
Sydney
4:00 PM
Ulsan
4:00 PM
Sydney
5:00 PM
Ulsan to Sydney — 24-Hour Conversion
Each row shows the equivalent local time in Sydney for an hour in Ulsan. Working-hours rows (9–18) are highlighted.
| Ulsan | Sydney | Match |
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| Workday in Sydney | ||
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| Best for meetings | ||
| Best for meetings | ||
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| Workday in Ulsan | ||
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| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Ulsan and Sydney?
Sydney, Australia (UTC+10) is 1 hour ahead Ulsan, South Korea (UTC+9).
What is the best time to schedule a meeting between Ulsan and Sydney?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Ulsan and Sydney?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Ulsan, what time is it in Sydney?
Use the conversion table on this page — every hour in Ulsan is mapped to its equivalent local time in Sydney, including day shift markers when the date differs.