Chiang Mai to Greenwich, CT: time difference
Greenwich, 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 10:21 10:21 AM Greenwich, CT 23:21 11:21 PM You –:–
10:21 10:21 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
23:21 11:21 PM
Eastern Daylight Time · UTC-4
☀️ 07:10 · 🌙 18:11
·
−11 h
Greenwich, CT is 11 h behind Chiang Mai.
When you, Chiang Mai and Greenwich, 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
🇺🇸 Greenwich, 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
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Greenwich, CT |
|---|---|---|
| Local time | 10:21 | 23:21 |
| Local date | Monday, October 19, 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 | 06:20 | 07:10 |
| Sunset | 18:00 | 18:11 |
| Daylight | 11 h 40 min | 11 h 1 min |
| People on this clock | 127,240 | 62,077 |
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 Greenwich, CT: common questions
What is the time difference between Chiang Mai and Greenwich, CT?
Greenwich 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 Greenwich, CT?
At 9:00 AM in Chiang Mai, clocks in Greenwich show 10:00 PM (the previous day).
If it is 6:00 PM in Chiang Mai, what time is it in Greenwich, CT?
At 6:00 PM in Chiang Mai, clocks in Greenwich show 7:00 AM.
When is a good time to call Greenwich, CT, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Greenwich do not overlap. At 9:00 AM in Chiang Mai it is 10:00 PM (the previous day) in Greenwich; when the working day starts in Greenwich, it is 8:00 PM in Chiang Mai.
When is it still the previous day in Greenwich, CT?
Until 11:00 AM in Chiang Mai it is still the previous day in Greenwich. The other way round, from 1:00 PM in Greenwich it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Greenwich, CT, change?
Yes. The clocks change only in Greenwich. From November 1, 2026, Greenwich will be 12 hours behind Chiang Mai.
