Surabaya to Hong Kong: time difference
Hong Kong is 1 h ahead of Surabaya. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
34
- Hong Kong Standard Time
- UTC+8
- Golden hour
☀️ 06:18 · 🌙 18:04 · 11 h 46 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Surabaya 16:44 4:44 PM Hong Kong 17:44 5:44 PM You –:–
16:44 4:44 PM
Western Indonesia Time · UTC+7
☀️ 05:10 · 🌙 17:24
17:44 5:44 PM
Hong Kong Standard Time · UTC+8
☀️ 06:18 · 🌙 18:04
·
+1 h
Hong Kong is 1 h ahead of Surabaya.
When you, Surabaya and Hong Kong are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇩 Surabaya
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇭🇰 Hong Kong
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇩 Surabaya | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 16:44 | 17:44 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western Indonesia Time | Hong Kong Standard Time |
| UTC offset | UTC+7 | UTC+8 |
| Offset from Surabaya | — | +1 h |
| IANA zone | Asia/Jakarta | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:10 | 06:18 |
| Sunset | 17:24 | 18:04 |
| Daylight | 12 h 13 min | 11 h 46 min |
| People on this clock | 2,765,487 | 1,367,900 |
Compare Surabaya with another city
More comparisons with Surabaya: the time zones next to it and the far side of the clock.
Big time differences
Surabaya and Hong Kong: common questions
How many hours ahead of Surabaya is Hong Kong?
The clocks in Hong Kong are 1 hour ahead of those in Surabaya (UTC+8 and UTC+7).
What time is it in Hong Kong when it is 9:00 AM in Surabaya?
When it is 9:00 AM in Surabaya, it is 10:00 AM in Hong Kong.
What time is it in Hong Kong when it is 6:00 PM in Surabaya?
When it is 6:00 PM in Surabaya, it is 7:00 PM in Hong Kong.
When do working hours in Surabaya and in Hong Kong overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Surabaya, which is 10:00 AM to 6:00 PM in Hong Kong.
From what time in Surabaya is it tomorrow in Hong Kong?
Once it is 11:00 PM in Surabaya, the date in Hong Kong has already changed. Until 1:00 AM in Hong Kong, it is still the previous day in Surabaya.
Does the time difference between Surabaya and Hong Kong change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
