Chiang Mai to St Lucia: time difference
St Lucia 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 10:39 10:39 AM St Lucia 23:39 11:39 PM You –:–
10:39 10:39 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
23:39 11:39 PM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:49
·
−11 h
St Lucia is 11 h behind Chiang Mai.
When you, Chiang Mai and St Lucia 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 Lucia
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 Lucia |
|---|---|---|
| Local time | 10:39 | 23:39 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Indochina Time | Atlantic Standard Time |
| UTC offset | UTC+7 | UTC-4 |
| Offset from Chiang Mai | — | −11 h |
| IANA zone | Asia/Bangkok | America/St Lucia |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:55 |
| Sunset | 18:07 | 17:49 |
| Daylight | 11 h 49 min | 11 h 54 min |
| People on this clock | 127,240 | 1,355 |
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 Lucia: common questions
What is the time difference between Chiang Mai and St Lucia?
St Lucia is 11 hours behind: it uses UTC−4, while Chiang Mai is on UTC+7.
What time is it in St Lucia at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in St Lucia it is 10:00 PM (the previous day) at that moment.
What time is it in St Lucia 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 Lucia.
When do working hours in Chiang Mai and in St Lucia overlap?
They don't: there are no shared working hours. The start of the day in Chiang Mai (9:00 AM) is 10:00 PM (the previous day) in St Lucia, and the start of the day in St Lucia is 8:00 PM in Chiang Mai.
When is it still the previous day in St Lucia?
Until 11:00 AM in Chiang Mai it is still the previous day in St Lucia. The other way round, from 1:00 PM in St Lucia it is already the next day in Chiang Mai.
Does the time gap between Chiang Mai and St Lucia change during the year?
No, the clocks change neither in Chiang Mai nor in St Lucia, so the gap is 11 hours all year round.
