Chiang Mai to Simpson Bay: time difference
Simpson Bay 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 18:36 6:36 PM Simpson Bay 07:36 7:36 AM You –:–
18:36 6:36 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
07:36 7:36 AM
Atlantic Standard Time · UTC-4
☀️ 06:05 · 🌙 17:55
·
−11 h
Simpson Bay is 11 h behind Chiang Mai.
When you, Chiang Mai and Simpson Bay 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
🇸🇽 Simpson Bay
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 | 🇸🇽 Simpson Bay |
|---|---|---|
| Local time | 18:36 | 07:36 |
| 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/Lower Princes |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 06:05 |
| Sunset | 18:07 | 17:55 |
| Daylight | 11 h 49 min | 11 h 50 min |
| People on this clock | 127,240 | 6,000 |
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 Simpson Bay: common questions
What is the time difference between Chiang Mai and Simpson Bay?
Simpson Bay is 11 hours behind: it uses UTC−4, while Chiang Mai is on UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Simpson Bay?
At 9:00 AM in Chiang Mai, clocks in Simpson Bay show 10:00 PM (the previous day).
What time is it in Simpson Bay at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in Simpson Bay it is 7:00 AM at that moment.
When do working hours in Chiang Mai and in Simpson Bay 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 Simpson Bay, and the start of the day in Simpson Bay is 8:00 PM in Chiang Mai.
Until what time in Chiang Mai is it still yesterday in Simpson Bay?
Before 11:00 AM in Chiang Mai, the date in Simpson Bay has not changed yet. From 1:00 PM in Simpson Bay, it is already the next day in Chiang Mai.
Is the time difference between Chiang Mai and Simpson Bay the same all year?
Yes. Neither Chiang Mai nor Simpson Bay switches to summer time, so the gap is always 11 hours.
