Chiang Mai to St John: time difference
St John 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 15:35 3:35 PM St John 04:35 4:35 AM You –:–
15:35 3:35 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
04:35 4:35 AM
Atlantic Standard Time · UTC-4
☀️ 06:12 · 🌙 18:01
·
−11 h
St John is 11 h behind Chiang Mai.
When you, Chiang Mai and St John 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 John
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 John |
|---|---|---|
| Local time | 15:35 | 04:35 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 Thomas |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 06:12 |
| Sunset | 18:07 | 18:01 |
| Daylight | 11 h 49 min | 11 h 49 min |
| People on this clock | 127,240 | 2,743 |
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 John: common questions
How many hours behind Chiang Mai is St John?
The clocks in St John are 11 hours behind those in Chiang Mai (UTC−4 and UTC+7).
What time is it in St John 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 John.
If it is 6:00 PM in Chiang Mai, what time is it in St John?
At 6:00 PM in Chiang Mai, clocks in St John show 7:00 AM.
When do working hours in Chiang Mai and in St John 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 John, and the start of the day in St John is 8:00 PM in Chiang Mai.
When does the date change in St John compared with Chiang Mai?
The new day starts in St John later: until 11:00 AM in Chiang Mai, it is still the previous day there. From 1:00 PM in St John, Chiang Mai is already on the next day.
Is the time difference between Chiang Mai and St John the same all year?
Yes. Neither Chiang Mai nor St John switches to summer time, so the gap is always 11 hours.
