Chiang Mai to Cambridge, MA: time difference
Cambridge, MA 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 18:01 6:01 PM Cambridge, MA 07:01 7:01 AM You –:–
18:01 6:01 PM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
07:01 7:01 AM
Eastern Daylight Time · UTC-4
☀️ 07:01 · 🌙 17:59
·
−11 h
Cambridge, MA is 11 h behind Chiang Mai.
When you, Chiang Mai and Cambridge, MA 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
🇺🇸 Cambridge, MA
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 | 🇺🇸 Cambridge, MA |
|---|---|---|
| Local time | 18:01 | 07:01 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:19 | 07:01 |
| Sunset | 18:01 | 17:59 |
| Daylight | 11 h 41 min | 10 h 58 min |
| People on this clock | 127,240 | 105,162 |
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 Cambridge, MA: common questions
How many hours behind Chiang Mai is Cambridge, MA?
The clocks in Cambridge are 11 hours behind those in Chiang Mai (UTC−4 and UTC+7).
What time is it in Cambridge, MA, at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Cambridge it is 10:00 PM (the previous day) at that moment.
If it is 6:00 PM in Chiang Mai, what time is it in Cambridge, MA?
At 6:00 PM in Chiang Mai, clocks in Cambridge show 7:00 AM.
When do working hours in Chiang Mai and in Cambridge, MA, 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 Cambridge, and the start of the day in Cambridge is 8:00 PM in Chiang Mai.
When does the date change in Cambridge, MA, compared with Chiang Mai?
The new day starts in Cambridge later: until 11:00 AM in Chiang Mai, it is still the previous day there. From 1:00 PM in Cambridge, Chiang Mai is already on the next day.
Does the time difference between Chiang Mai and Cambridge, MA, change?
Yes. The clocks change only in Cambridge. From November 1, 2026, Cambridge will be 12 hours behind Chiang Mai.
