Boston to Chiang Mai: time difference
Chiang Mai is 6 h ahead of Boston. 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.
Boston 04:37 4:37 AM Chiang Mai 10:37 10:37 AM You –:–
04:37 4:37 AM
British Summer Time · UTC+1
☀️ 07:32 · 🌙 18:00
10:37 10:37 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+6 h
Chiang Mai is 6 h ahead of Boston.
When you, Boston and Chiang Mai are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 Boston
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
🇹🇭 Chiang Mai
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 Boston | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 04:37 | 10:37 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | British Summer Time | Indochina Time |
| UTC offset | UTC+1 | UTC+7 |
| Offset from Boston | — | +6 h |
| IANA zone | Europe/London | Asia/Bangkok |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:32 | 06:19 |
| Sunset | 18:00 | 18:01 |
| Daylight | 10 h 28 min | 11 h 41 min |
| People on this clock | 45,339 | 127,240 |
Compare Boston with another city
More comparisons with Boston: the time zones next to it and the far side of the clock.
Big time differences
Boston and Chiang Mai: common questions
How many hours ahead of Boston is Chiang Mai?
The clocks in Chiang Mai are 6 hours ahead of those in Boston (UTC+7 and UTC+1).
What time is it in Chiang Mai at the start of the working day in Boston?
The working day in Boston starts at 9:00 AM; in Chiang Mai it is 3:00 PM at that moment.
What time is it in Chiang Mai at the end of the working day in Boston?
The working day in Boston ends at 6:00 PM; in Chiang Mai it is 12:00 AM (the next day) at that moment.
When do working hours in Boston and in Chiang Mai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 12:00 PM in Boston, which is 3:00 PM to 6:00 PM in Chiang Mai.
From what time in Boston is it tomorrow in Chiang Mai?
Once it is 6:00 PM in Boston, the date in Chiang Mai has already changed. Until 6:00 AM in Chiang Mai, it is still the previous day in Boston.
Does the time difference between Boston and Chiang Mai change?
Yes. The clocks change only in Boston. From October 25, 2026, Chiang Mai will be 7 hours ahead of Boston.
