Hoi An to Hong Kong: time difference
Hong Kong is 1 h ahead of Hoi An. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
20
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:21 · 🌙 17:58 · 11 h 37 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Hoi An 17:47 5:47 PM Hong Kong 18:47 6:47 PM You –:–
17:47 5:47 PM
Indochina Time · UTC+7
☀️ 05:40 · 🌙 17:26
18:47 6:47 PM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:58
·
+1 h
Hong Kong is 1 h ahead of Hoi An.
When you, Hoi An 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
🇻🇳 Hoi An
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 | 🇻🇳 Hoi An | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 17:47 | 18:47 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Indochina Time | Hong Kong Standard Time |
| UTC offset | UTC+7 | UTC+8 |
| Offset from Hoi An | — | +1 h |
| IANA zone | Asia/Ho Chi Minh | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:40 | 06:21 |
| Sunset | 17:26 | 17:58 |
| Daylight | 11 h 46 min | 11 h 37 min |
| People on this clock | 120,000 | 1,367,900 |
Compare Hoi An with another city
More comparisons with Hoi An: the time zones next to it and the far side of the clock.
Big time differences
Hoi An and Hong Kong: common questions
What is the time difference between Hoi An and Hong Kong?
Hong Kong is 1 hour ahead: it uses UTC+8, while Hoi An is on UTC+7.
What time is it in Hong Kong at the start of the working day in Hoi An?
The working day in Hoi An starts at 9:00 AM; in Hong Kong it is 10:00 AM at that moment.
If it is 6:00 PM in Hoi An, what time is it in Hong Kong?
At 6:00 PM in Hoi An, clocks in Hong Kong show 7:00 PM.
When is a good time to call Hong Kong from Hoi An?
Between 9:00 AM and 5:00 PM in Hoi An – that is 10:00 AM to 6:00 PM in Hong Kong – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Hong Kong compared with Hoi An?
The new day starts in Hong Kong earlier: at 11:00 PM in Hoi An it is already midnight there. Until 1:00 AM in Hong Kong, Hoi An is still on the previous day.
Does the time difference between Hoi An and Hong Kong change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
