Hong Kong to Surabaya Time Difference
Surabaya is 1 hour behind Hong Kong. When it is noon in Hong Kong, it is 11:00 in Surabaya.
Hong Kong (UTC+8) → Jakarta (UTC+7)
🕐 Interactive Time Explorer
When it's 02:00 in Hong Kong, it's 01:00 in Surabaya
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Hong Kong & Surabaya✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
3,292 km
Est. Flight Time
~4.9h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🟢 Good to Call Now
10:32
10:00 - 17:00
⏰ Quick Conversion
06:00
Hong Kong
05:00
Surabaya
09:00
Hong Kong
08:00
Surabaya
12:00
Hong Kong
11:00
Surabaya
15:00
Hong Kong
14:00
Surabaya
18:00
Hong Kong
17:00
Surabaya
21:00
Hong Kong
20:00
Surabaya
00:00
Hong Kong
23:00
Surabaya (-1)
03:00
Hong Kong
02:00
Surabaya
Frequently Asked Questions
How many hours is Hong Kong ahead of Surabaya?
Surabaya is 1 hour behind Hong Kong. When it is 12:00 noon in Hong Kong, it is 11:00 in Surabaya. Hong Kong operates on Asia/Hong Kong (UTC+8), while Surabaya uses Asia/Jakarta (UTC+7).
What is the best time to call Surabaya from Hong Kong?
There are 8 hours of overlapping business time (9 AM–5 PM) between Hong Kong and Surabaya. The best window is 10:00–18:00 Hong Kong time (09:00–17:00 in Surabaya).
Does the Hong Kong 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 Hong Kong and Surabaya
The distance between Hong Kong and Surabaya is approximately 3,292 km. A direct flight typically takes around 4.9 hours. Your arrival clock will show local Surabaya time — use our Flight Time Calculator to predict exact arrival times.