Chiang Mai to St. Thomas: time difference
St. Thomas is 11 h behind Chiang Mai. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Chiang Mai 08:32 8:32 AM St. Thomas 21:32 9:32 PM You –:–
08:32 8:32 AM
Indochina Time · UTC+7
☀️ 06:18 · 🌙 18:03
21:32 9:32 PM
Eastern Daylight Time · UTC-4
☀️ 07:37 · 🌙 18:46
·
−11 h
St. Thomas is 11 h behind Chiang Mai.
When you, Chiang Mai and St. Thomas 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
🇨🇦 St. Thomas
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇨🇦 St. Thomas |
|---|---|---|
| Local time | 08:32 | 21:32 |
| Local date | Thursday, October 15, 2026 | Wednesday, October 14, 2026 |
| Time zone | Indochina Time | Eastern Daylight Time |
| UTC offset | UTC+7 | UTC-4 |
| Offset from Chiang Mai | — | −11 h |
| IANA zone | Asia/Bangkok | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:18 | 07:37 |
| Sunset | 18:03 | 18:46 |
| Daylight | 11 h 44 min | 11 h 8 min |
| People on this clock | 127,240 | 38,909 |
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 St. Thomas: common questions
What is the time difference between Chiang Mai and St. Thomas?
St. Thomas is 11 hours behind: it uses UTC−4, while Chiang Mai is on UTC+7.
What time is it in St. Thomas when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 10:00 PM (the previous day) in St. Thomas.
What time is it in St. Thomas when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 7:00 AM in St. Thomas.
Is there a time when both Chiang Mai and St. Thomas are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Chiang Mai at 9:00 AM, it is 10:00 PM (the previous day) in St. Thomas; the day in St. Thomas starts at 8:00 PM in Chiang Mai time.
When does the date change in St. Thomas compared with Chiang Mai?
The new day starts in St. Thomas later: until 11:00 AM in Chiang Mai, it is still the previous day there. From 1:00 PM in St. Thomas, Chiang Mai is already on the next day.
Is the time difference between Chiang Mai and St. Thomas the same all year?
No. Only St. Thomas switches to summer time, so the gap changes twice a year. From November 1, 2026, St. Thomas will be 12 hours behind Chiang Mai.
