Groton, CT to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Groton, CT. 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.
Groton, CT 15:52 3:52 PM Chiang Mai 02:52 2:52 AM You –:–
15:52 3:52 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:01
02:52 2:52 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:58
·
+11 h
Chiang Mai is 11 h ahead of Groton, CT.
When you, Groton, CT 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
🇺🇸 Groton, CT
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
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 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Groton, CT | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 15:52 | 02:52 |
| Local date | Tuesday, October 20, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Groton, CT | — | +11 h |
| IANA zone | America/New York | Asia/Bangkok |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:06 | 06:20 |
| Sunset | 18:01 | 17:58 |
| Daylight | 10 h 55 min | 11 h 38 min |
| People on this clock | 40,115 | 127,240 |
Compare Groton, CT with another city
More comparisons with Groton, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Groton, CT and Chiang Mai: common questions
How many hours ahead of Groton, CT, is Chiang Mai?
The clocks in Chiang Mai are 11 hours ahead of those in Groton (UTC+7 and UTC−4).
If it is 9:00 AM in Groton, CT, what time is it in Chiang Mai?
At 9:00 AM in Groton, clocks in Chiang Mai show 8:00 PM.
What time is it in Chiang Mai at the end of the working day in Groton, CT?
The working day in Groton ends at 6:00 PM; in Chiang Mai it is 5:00 AM (the next day) at that moment.
When do working hours in Groton, CT, and in Chiang Mai overlap?
They don't: there are no shared working hours. The start of the day in Groton (9:00 AM) is 8:00 PM in Chiang Mai, and the start of the day in Chiang Mai is 10:00 PM (the previous day) in Groton.
From what time in Groton, CT, is it tomorrow in Chiang Mai?
Once it is 1:00 PM in Groton, the date in Chiang Mai has already changed. Until 11:00 AM in Chiang Mai, it is still the previous day in Groton.
Does the time difference between Groton, CT, and Chiang Mai change?
Yes. The clocks change only in Groton. From November 1, 2026, Chiang Mai will be 12 hours ahead of Groton.
