Ayutthaya to Hong Kong: time difference
Hong Kong is 1 h ahead of Ayutthaya. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
55
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:21 · 🌙 17:57 · 11 h 36 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Ayutthaya 00:37 12:37 AM Hong Kong 01:37 1:37 AM You –:–
00:37 12:37 AM
Indochina Time · UTC+7
☀️ 06:10 · 🌙 17:57
01:37 1:37 AM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
·
+1 h
Hong Kong is 1 h ahead of Ayutthaya.
When you, Ayutthaya 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
🇹🇭 Ayutthaya
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 | 🇹🇭 Ayutthaya | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 00:37 | 01:37 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | Hong Kong Standard Time |
| UTC offset | UTC+7 | UTC+8 |
| Offset from Ayutthaya | — | +1 h |
| IANA zone | Asia/Bangkok | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:10 | 06:21 |
| Sunset | 17:57 | 17:57 |
| Daylight | 11 h 47 min | 11 h 36 min |
| People on this clock | 50,830 | 1,367,900 |
Compare Ayutthaya with another city
More comparisons with Ayutthaya: the time zones next to it and the far side of the clock.
Big time differences
Ayutthaya and Hong Kong: common questions
How far ahead of Ayutthaya is Hong Kong?
Hong Kong is 1 hour ahead of Ayutthaya: UTC+8 against UTC+7.
If it is 9:00 AM in Ayutthaya, what time is it in Hong Kong?
At 9:00 AM in Ayutthaya, clocks in Hong Kong show 10:00 AM.
What time is it in Hong Kong at the end of the working day in Ayutthaya?
The working day in Ayutthaya ends at 6:00 PM; in Hong Kong it is 7:00 PM at that moment.
When is a good time to call Hong Kong from Ayutthaya?
Between 9:00 AM and 5:00 PM in Ayutthaya – 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 Ayutthaya?
The new day starts in Hong Kong earlier: at 11:00 PM in Ayutthaya it is already midnight there. Until 1:00 AM in Hong Kong, Ayutthaya is still on the previous day.
Does the time gap between Ayutthaya and Hong Kong change during the year?
No, the clocks change neither in Ayutthaya nor in Hong Kong, so the gap is 1 hour all year round.
