West Chester, PA to Chiang Mai: time difference
Chiang Mai is 11 h ahead of West Chester, PA. 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.
West Chester, PA 16:05 4:05 PM Chiang Mai 03:05 3:05 AM You –:–
16:05 4:05 PM
Eastern Daylight Time · UTC-4
☀️ 07:15 · 🌙 18:21
03:05 3:05 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+11 h
Chiang Mai is 11 h ahead of West Chester, PA.
When you, West Chester, PA 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
🇺🇸 West Chester, PA
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 | 🇺🇸 West Chester, PA | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 16:05 | 03:05 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from West Chester, PA | — | +11 h |
| IANA zone | America/New York | Asia/Bangkok |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:15 | 06:19 |
| Sunset | 18:21 | 18:01 |
| Daylight | 11 h 6 min | 11 h 41 min |
| People on this clock | 18,671 | 127,240 |
Compare West Chester, PA with another city
More comparisons with West Chester, PA: the time zones next to it and the far side of the clock.
Nearby time zones
West Chester, PA and Chiang Mai: common questions
How far ahead of West Chester, PA, is Chiang Mai?
Chiang Mai is 11 hours ahead of West Chester: UTC+7 against UTC−4.
What time is it in Chiang Mai when it is 9:00 AM in West Chester, PA?
When it is 9:00 AM in West Chester, it is 8:00 PM in Chiang Mai.
If it is 6:00 PM in West Chester, PA, what time is it in Chiang Mai?
At 6:00 PM in West Chester, clocks in Chiang Mai show 5:00 AM (the next day).
When is a good time to call Chiang Mai from West Chester, PA?
Working hours (9:00 AM–6:00 PM) in West Chester and in Chiang Mai do not overlap. At 9:00 AM in West Chester it is 8:00 PM in Chiang Mai; when the working day starts in Chiang Mai, it is 10:00 PM (the previous day) in West Chester.
From what time in West Chester, PA, is it tomorrow in Chiang Mai?
Once it is 1:00 PM in West Chester, the date in Chiang Mai has already changed. Until 11:00 AM in Chiang Mai, it is still the previous day in West Chester.
Is the time difference between West Chester, PA, and Chiang Mai the same all year?
No. Only West Chester switches to summer time, so the gap changes twice a year. From November 1, 2026, Chiang Mai will be 12 hours ahead of West Chester.
