Rayong to Hong Kong: time difference
Hong Kong is 1 h ahead of Rayong. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
28
- 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.
Rayong 02:08 2:08 AM Hong Kong 03:08 3:08 AM You –:–
02:08 2:08 AM
Indochina Time · UTC+7
☀️ 06:06 · 🌙 17:56
03:08 3:08 AM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
·
+1 h
Hong Kong is 1 h ahead of Rayong.
When you, Rayong 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
🇹🇭 Rayong
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 | 🇹🇭 Rayong | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 02:08 | 03:08 |
| 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 Rayong | — | +1 h |
| IANA zone | Asia/Bangkok | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:06 | 06:21 |
| Sunset | 17:56 | 17:57 |
| Daylight | 11 h 50 min | 11 h 36 min |
| People on this clock | 63,565 | 1,367,900 |
Compare Rayong with another city
More comparisons with Rayong: the time zones next to it and the far side of the clock.
Big time differences
Rayong and Hong Kong: common questions
How many hours ahead of Rayong is Hong Kong?
The clocks in Hong Kong are 1 hour ahead of those in Rayong (UTC+8 and UTC+7).
What time is it in Hong Kong at the start of the working day in Rayong?
The working day in Rayong starts at 9:00 AM; in Hong Kong it is 10:00 AM at that moment.
What time is it in Hong Kong at the end of the working day in Rayong?
The working day in Rayong 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 Rayong?
Between 9:00 AM and 5:00 PM in Rayong – 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 Rayong?
The new day starts in Hong Kong earlier: at 11:00 PM in Rayong it is already midnight there. Until 1:00 AM in Hong Kong, Rayong is still on the previous day.
Does the time gap between Rayong and Hong Kong change during the year?
No, the clocks change neither in Rayong nor in Hong Kong, so the gap is 1 hour all year round.
