Singapore to Ulsan Time Difference
Ulsan is 1 hour ahead of Singapore. When it is noon in Singapore, it is 13:00 in Ulsan.
Singapore (UTC+8) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 13:00 in Singapore, it's 14:00 in Ulsan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & Ulsan✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
4,624 km
Est. Flight Time
~6.4h
Time Difference
+1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Tomorrow 09:00
09:00 - 16:00
⏰ Quick Conversion
06:00
Singapore
07:00
Ulsan
09:00
Singapore
10:00
Ulsan
12:00
Singapore
13:00
Ulsan
15:00
Singapore
16:00
Ulsan
18:00
Singapore
19:00
Ulsan
21:00
Singapore
22:00
Ulsan
00:00
Singapore
01:00
Ulsan
03:00
Singapore
04:00
Ulsan
Frequently Asked Questions
How many hours is Singapore behind Ulsan?
Ulsan is 1 hour ahead of Singapore. When it is 12:00 noon in Singapore, it is 13:00 in Ulsan. Singapore operates on Asia/Singapore (UTC+8), while Ulsan uses Asia/Seoul (UTC+9).
What is the best time to call Ulsan from Singapore?
There are 7 hours of overlapping business time (9 AM–5 PM) between Singapore and Ulsan. The best window is 09:00–16:00 Singapore time (10:00–17:00 in Ulsan).
Does the Singapore to Ulsan time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Singapore and Ulsan
The distance between Singapore and Ulsan is approximately 4,624 km. A direct flight typically takes around 6.4 hours. Your arrival clock will show local Ulsan time — use our Flight Time Calculator to predict exact arrival times.