Chiang Mai to Smithtown, NY: time difference
Smithtown, NY 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 21:47 9:47 PM Smithtown, NY 10:47 10:47 AM You –:–
21:47 9:47 PM
Indochina Time · UTC+7
☀️ 06:21 · 🌙 17:58
10:47 10:47 AM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 18:04
·
−11 h
Smithtown, NY is 11 h behind Chiang Mai.
When you, Chiang Mai and Smithtown, NY 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
🇺🇸 Smithtown, NY
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 | 🇺🇸 Smithtown, NY |
|---|---|---|
| Local time | 21:47 | 10:47 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 06:21 | 07:12 |
| Sunset | 17:58 | 18:04 |
| Daylight | 11 h 37 min | 10 h 51 min |
| People on this clock | 127,240 | 116,296 |
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 Smithtown, NY: common questions
How far behind Chiang Mai is Smithtown, NY?
Smithtown is 11 hours behind Chiang Mai: UTC−4 against UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Smithtown, NY?
At 9:00 AM in Chiang Mai, clocks in Smithtown show 10:00 PM (the previous day).
If it is 6:00 PM in Chiang Mai, what time is it in Smithtown, NY?
At 6:00 PM in Chiang Mai, clocks in Smithtown show 7:00 AM.
Is there a time when both Chiang Mai and Smithtown, NY, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Chiang Mai at 9:00 AM, it is 10:00 PM (the previous day) in Smithtown; the day in Smithtown starts at 8:00 PM in Chiang Mai time.
Until what time in Chiang Mai is it still yesterday in Smithtown, NY?
Before 11:00 AM in Chiang Mai, the date in Smithtown has not changed yet. From 1:00 PM in Smithtown, it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Smithtown, NY, change?
Yes. The clocks change only in Smithtown. From November 1, 2026, Smithtown will be 12 hours behind Chiang Mai.
