Ratnapura to Chiang Mai: time difference
Chiang Mai is 1 h 30 min ahead of Ratnapura. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Ratnapura 14:30 2:30 PM Chiang Mai 16:00 4:00 PM You –:–
14:30 2:30 PM
India Standard Time · UTC+5:30
☀️ 05:56 · 🌙 17:56
16:00 4:00 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
·
+1 h 30 min
Chiang Mai is 1 h 30 min ahead of Ratnapura.
When you, Ratnapura and Chiang Mai are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇱🇰 Ratnapura
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
🇹🇭 Chiang Mai
1:30 1:30 AM 2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇱🇰 Ratnapura | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 14:30 | 16:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | India Standard Time | Indochina Time |
| UTC offset | UTC+5:30 | UTC+7 |
| Offset from Ratnapura | — | +1 h 30 min |
| IANA zone | Asia/Colombo | Asia/Bangkok |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:56 | 06:17 |
| Sunset | 17:56 | 18:07 |
| Daylight | 12 h 1 min | 11 h 49 min |
| People on this clock | 52,100 | 127,240 |
Compare Ratnapura with another city
More comparisons with Ratnapura: the time zones next to it and the far side of the clock.
Big time differences
Ratnapura and Chiang Mai: common questions
How many hours ahead of Ratnapura is Chiang Mai?
The clocks in Chiang Mai are 1 hour and 30 minutes ahead of those in Ratnapura (UTC+7 and UTC+5:30).
What time is it in Chiang Mai at the start of the working day in Ratnapura?
The working day in Ratnapura starts at 9:00 AM; in Chiang Mai it is 10:30 AM at that moment.
What time is it in Chiang Mai at the end of the working day in Ratnapura?
The working day in Ratnapura ends at 6:00 PM; in Chiang Mai it is 7:30 PM at that moment.
When is a good time to call Chiang Mai from Ratnapura?
Between 9:00 AM and 4:30 PM in Ratnapura – that is 10:30 AM to 6:00 PM in Chiang Mai – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Chiang Mai compared with Ratnapura?
The new day starts in Chiang Mai earlier: at 10:30 PM in Ratnapura it is already midnight there. Until 1:30 AM in Chiang Mai, Ratnapura is still on the previous day.
Does the time gap between Ratnapura and Chiang Mai change during the year?
No, the clocks change neither in Ratnapura nor in Chiang Mai, so the gap is 1 hour and 30 minutes all year round.
