Chiang Mai to Ratnapura: time difference
Ratnapura is 1 h 30 min behind Chiang Mai. 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.
Chiang Mai 16:53 4:53 PM Ratnapura 15:23 3:23 PM You –:–
16:53 4:53 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
15:23 3:23 PM
India Standard Time · UTC+5:30
☀️ 05:56 · 🌙 17:56
·
−1 h 30 min
Ratnapura is 1 h 30 min behind Chiang Mai.
When you, Chiang Mai and Ratnapura are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Chiang Mai
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
🇱🇰 Ratnapura
22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇱🇰 Ratnapura |
|---|---|---|
| Local time | 16:53 | 15:23 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | India Standard Time |
| UTC offset | UTC+7 | UTC+5:30 |
| Offset from Chiang Mai | — | −1 h 30 min |
| IANA zone | Asia/Bangkok | Asia/Colombo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:56 |
| Sunset | 18:07 | 17:56 |
| Daylight | 11 h 49 min | 12 h 1 min |
| People on this clock | 127,240 | 52,100 |
Compare Chiang Mai with another city
More comparisons with Chiang Mai: the time zones next to it and the far side of the clock.
Big time differences
Chiang Mai and Ratnapura: common questions
What is the time difference between Chiang Mai and Ratnapura?
Ratnapura is 1 hour and 30 minutes behind: it uses UTC+5:30, while Chiang Mai is on UTC+7.
What time is it in Ratnapura at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Ratnapura it is 7:30 AM at that moment.
If it is 6:00 PM in Chiang Mai, what time is it in Ratnapura?
At 6:00 PM in Chiang Mai, clocks in Ratnapura show 4:30 PM.
Is there a time when both Chiang Mai and Ratnapura are at work?
Yes: from 10:30 AM to 6:00 PM in Chiang Mai (9:00 AM to 4:30 PM in Ratnapura), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Ratnapura?
Until 1:30 AM in Chiang Mai it is still the previous day in Ratnapura. The other way round, from 10:30 PM in Ratnapura it is already the next day in Chiang Mai.
Does the time gap between Chiang Mai and Ratnapura change during the year?
No, the clocks change neither in Chiang Mai nor in Ratnapura, so the gap is 1 hour and 30 minutes all year round.
