Chiang Mai to Groton, CT: time difference
Groton, CT 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 05:09 5:09 AM Groton, CT 18:09 6:09 PM You –:–
05:09 5:09 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:58
18:09 6:09 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:01
·
−11 h
Groton, CT is 11 h behind Chiang Mai.
When you, Chiang Mai and Groton, CT 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
🇺🇸 Groton, CT
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
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Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Groton, CT |
|---|---|---|
| Local time | 05:09 | 18:09 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 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 | 06:20 | 07:06 |
| Sunset | 17:58 | 18:01 |
| Daylight | 11 h 38 min | 10 h 55 min |
| People on this clock | 127,240 | 40,115 |
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 Groton, CT: common questions
What is the time difference between Chiang Mai and Groton, CT?
Groton 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 Groton, CT?
At 9:00 AM in Chiang Mai, clocks in Groton show 10:00 PM (the previous day).
What time is it in Groton, CT, at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in Groton it is 7:00 AM at that moment.
When do working hours in Chiang Mai and in Groton, CT, 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 Groton, and the start of the day in Groton is 8:00 PM in Chiang Mai.
When does the date change in Groton, CT, compared with Chiang Mai?
The new day starts in Groton later: until 11:00 AM in Chiang Mai, it is still the previous day there. From 1:00 PM in Groton, Chiang Mai is already on the next day.
Does the time difference between Chiang Mai and Groton, CT, change?
Yes. The clocks change only in Groton. From November 1, 2026, Groton will be 12 hours behind Chiang Mai.
