Hanoi to Hong Kong: time difference
Hong Kong is 1 h ahead of Hanoi. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
29
- Hong Kong Standard Time
- UTC+8
- Daytime
☀️ 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.
Hanoi 06:49 6:49 AM Hong Kong 07:49 7:49 AM You –:–
06:49 6:49 AM
Indochina Time · UTC+7
☀️ 05:51 · 🌙 17:38
07:49 7:49 AM
Hong Kong Standard Time · UTC+8
☀️ 06:18 · 🌙 18:04
·
+1 h
Hong Kong is 1 h ahead of Hanoi.
When you, Hanoi 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
🇻🇳 Hanoi
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 | 🇻🇳 Hanoi | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 06:49 | 07:49 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | Hong Kong Standard Time |
| UTC offset | UTC+7 | UTC+8 |
| Offset from Hanoi | — | +1 h |
| IANA zone | Asia/Ho Chi Minh | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:51 | 06:18 |
| Sunset | 17:38 | 18:04 |
| Daylight | 11 h 47 min | 11 h 46 min |
| People on this clock | 8,587,100 | 1,367,900 |
Compare Hanoi with another city
More comparisons with Hanoi: the time zones next to it and the far side of the clock.
Big time differences
Hanoi and Hong Kong: common questions
How many hours ahead of Hanoi is Hong Kong?
The clocks in Hong Kong are 1 hour ahead of those in Hanoi (UTC+8 and UTC+7).
If it is 9:00 AM in Hanoi, what time is it in Hong Kong?
At 9:00 AM in Hanoi, clocks in Hong Kong show 10:00 AM.
What time is it in Hong Kong at the end of the working day in Hanoi?
The working day in Hanoi ends at 6:00 PM; in Hong Kong it is 7:00 PM at that moment.
Is there a time when both Hanoi and Hong Kong are at work?
Yes: from 9:00 AM to 5:00 PM in Hanoi (10:00 AM to 6:00 PM in Hong Kong), the working days (9:00 AM–6:00 PM) overlap.
From what time in Hanoi is it tomorrow in Hong Kong?
Once it is 11:00 PM in Hanoi, the date in Hong Kong has already changed. Until 1:00 AM in Hong Kong, it is still the previous day in Hanoi.
Does the time gap between Hanoi and Hong Kong change during the year?
No, the clocks change neither in Hanoi nor in Hong Kong, so the gap is 1 hour all year round.
