Ansan to Singapore Time Difference
Singapore is 1 hour behind Ansan. When it is noon in Ansan, it is 11:00 in Singapore.
Seoul (UTC+9) → Singapore (UTC+8)
🕐 Interactive Time Explorer
When it's 11:00 in Ansan, it's 10:00 in Singapore
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ansan & Singapore✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
4,642 km
Est. Flight Time
~6.5h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Tomorrow 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Ansan
05:00
Singapore
09:00
Ansan
08:00
Singapore
12:00
Ansan
11:00
Singapore
15:00
Ansan
14:00
Singapore
18:00
Ansan
17:00
Singapore
21:00
Ansan
20:00
Singapore
00:00
Ansan
23:00
Singapore (-1)
03:00
Ansan
02:00
Singapore
Frequently Asked Questions
How many hours is Ansan ahead of Singapore?
Singapore is 1 hour behind Ansan. When it is 12:00 noon in Ansan, it is 11:00 in Singapore. Ansan operates on Asia/Seoul (UTC+9), while Singapore uses Asia/Singapore (UTC+8).
What is the best time to call Singapore from Ansan?
There are 8 hours of overlapping business time (9 AM–5 PM) between Ansan and Singapore. The best window is 10:00–18:00 Ansan time (09:00–17:00 in Singapore).
Does the Ansan 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 Ansan and Singapore
The distance between Ansan and Singapore is approximately 4,642 km. A direct flight typically takes around 6.5 hours. Your arrival clock will show local Singapore time — use our Flight Time Calculator to predict exact arrival times.