Chiang Mai to Kolkata (Calcutta): time difference
Kolkata (Calcutta) 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.
🇮🇳 Kolkata (Calcutta), India
58
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
−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 16:47 4:47 PM Kolkata (Calcutta) 15:17 3:17 PM You –:–
16:47 4:47 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
15:17 3:17 PM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
·
−1 h 30 min
Kolkata (Calcutta) is 1 h 30 min behind Chiang Mai.
When you, Chiang Mai and Kolkata (Calcutta) 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
🇮🇳 Kolkata (Calcutta)
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 | 🇮🇳 Kolkata (Calcutta) |
|---|---|---|
| Local time | 16:47 | 15:17 |
| 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/Kolkata |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:32 |
| Sunset | 18:07 | 17:17 |
| Daylight | 11 h 49 min | 11 h 46 min |
| People on this clock | 127,240 | 4,486,679 |
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 Kolkata (Calcutta): common questions
How far behind Chiang Mai is Kolkata (Calcutta)?
Kolkata is 1 hour and 30 minutes behind Chiang Mai: UTC+5:30 against UTC+7.
What time is it in Kolkata (Calcutta) at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Kolkata it is 7:30 AM at that moment.
If it is 6:00 PM in Chiang Mai, what time is it in Kolkata (Calcutta)?
At 6:00 PM in Chiang Mai, clocks in Kolkata show 4:30 PM.
When do working hours in Chiang Mai and in Kolkata (Calcutta) overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:30 AM to 6:00 PM in Chiang Mai, which is 9:00 AM to 4:30 PM in Kolkata.
When does the date change in Kolkata (Calcutta) compared with Chiang Mai?
The new day starts in Kolkata later: until 1:30 AM in Chiang Mai, it is still the previous day there. From 10:30 PM in Kolkata, Chiang Mai is already on the next day.
Is the time difference between Chiang Mai and Kolkata (Calcutta) the same all year?
Yes. Neither Chiang Mai nor Kolkata switches to summer time, so the gap is always 1 hour and 30 minutes.
