Smithtown, NY to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Smithtown, NY. 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.
Smithtown, NY 06:57 6:57 AM Chiang Mai 17:57 5:57 PM You –:–
06:57 6:57 AM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 18:04
17:57 5:57 PM
Indochina Time · UTC+7
☀️ 06:21 · 🌙 17:58
·
+11 h
Chiang Mai is 11 h ahead of Smithtown, NY.
When you, Smithtown, NY 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
🇺🇸 Smithtown, NY
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 | 🇺🇸 Smithtown, NY | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 06:57 | 17:57 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Smithtown, NY | — | +11 h |
| IANA zone | America/New York | Asia/Bangkok |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:12 | 06:21 |
| Sunset | 18:04 | 17:58 |
| Daylight | 10 h 51 min | 11 h 37 min |
| People on this clock | 116,296 | 127,240 |
Compare Smithtown, NY with another city
More comparisons with Smithtown, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Smithtown, NY and Chiang Mai: common questions
How many hours ahead of Smithtown, NY, is Chiang Mai?
The clocks in Chiang Mai are 11 hours ahead of those in Smithtown (UTC+7 and UTC−4).
What time is it in Chiang Mai when it is 9:00 AM in Smithtown, NY?
When it is 9:00 AM in Smithtown, it is 8:00 PM in Chiang Mai.
What time is it in Chiang Mai at the end of the working day in Smithtown, NY?
The working day in Smithtown ends at 6:00 PM; in Chiang Mai it is 5:00 AM (the next day) at that moment.
Is there a time when both Smithtown, NY, and Chiang Mai are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Smithtown at 9:00 AM, it is 8:00 PM in Chiang Mai; the day in Chiang Mai starts at 10:00 PM (the previous day) in Smithtown time.
When does the date change in Chiang Mai compared with Smithtown, NY?
The new day starts in Chiang Mai earlier: at 1:00 PM in Smithtown it is already midnight there. Until 11:00 AM in Chiang Mai, Smithtown is still on the previous day.
Does the time gap between Smithtown, NY, and Chiang Mai change during the year?
Yes – daylight saving time is used in Smithtown but not in Chiang Mai. From November 1, 2026, Chiang Mai will be 12 hours ahead of Smithtown.
