Ulsan to Singapore Time Difference
Singapore is 1 hour behind Ulsan. When it is noon in Ulsan, it is 11:00 in Singapore.
Seoul (UTC+9) → Singapore (UTC+8)
🕐 Interactive Time Explorer
When it's 06:00 in Ulsan, it's 05:00 in Singapore
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ulsan & Singapore✓ 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
🟢 Good to Call Now
15:43
10:00 - 17:00
⏰ Quick Conversion
06:00
Ulsan
05:00
Singapore
09:00
Ulsan
08:00
Singapore
12:00
Ulsan
11:00
Singapore
15:00
Ulsan
14:00
Singapore
18:00
Ulsan
17:00
Singapore
21:00
Ulsan
20:00
Singapore
00:00
Ulsan
23:00
Singapore (-1)
03:00
Ulsan
02:00
Singapore
Frequently Asked Questions
How many hours is Ulsan ahead of Singapore?
Singapore is 1 hour behind Ulsan. When it is 12:00 noon in Ulsan, it is 11:00 in Singapore. Ulsan operates on Asia/Seoul (UTC+9), while Singapore uses Asia/Singapore (UTC+8).
What is the best time to call Singapore from Ulsan?
There are 8 hours of overlapping business time (9 AM–5 PM) between Ulsan and Singapore. The best window is 10:00–18:00 Ulsan time (09:00–17:00 in Singapore).
Does the Ulsan to Singapore 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 Ulsan and Singapore
The distance between Ulsan and Singapore is approximately 4,624 km. A direct flight typically takes around 6.4 hours. Your arrival clock will show local Singapore time — use our Flight Time Calculator to predict exact arrival times.