Singapore to Surabaya Time Difference
Surabaya is 1 hour behind Singapore. When it is noon in Singapore, it is 11:00 in Surabaya.
Singapore (UTC+8) → Jakarta (UTC+7)
🕐 Interactive Time Explorer
When it's 02:00 in Singapore, it's 01:00 in Surabaya
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & Surabaya✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
1,377 km
Est. Flight Time
~2.6h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🟢 Good to Call Now
10:33
10:00 - 17:00
⏰ Quick Conversion
06:00
Singapore
05:00
Surabaya
09:00
Singapore
08:00
Surabaya
12:00
Singapore
11:00
Surabaya
15:00
Singapore
14:00
Surabaya
18:00
Singapore
17:00
Surabaya
21:00
Singapore
20:00
Surabaya
00:00
Singapore
23:00
Surabaya (-1)
03:00
Singapore
02:00
Surabaya
Frequently Asked Questions
How many hours is Singapore ahead of Surabaya?
Surabaya is 1 hour behind Singapore. When it is 12:00 noon in Singapore, it is 11:00 in Surabaya. Singapore operates on Asia/Singapore (UTC+8), while Surabaya uses Asia/Jakarta (UTC+7).
What is the best time to call Surabaya from Singapore?
There are 8 hours of overlapping business time (9 AM–5 PM) between Singapore and Surabaya. The best window is 10:00–18:00 Singapore time (09:00–17:00 in Surabaya).
Does the Singapore to Surabaya 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 Surabaya
The distance between Singapore and Surabaya is approximately 1,377 km. A direct flight typically takes around 2.6 hours. Your arrival clock will show local Surabaya time — use our Flight Time Calculator to predict exact arrival times.