Williamsport, PA to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Williamsport, 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.
Williamsport, PA 11:40 11:40 AM Chiang Mai 22:40 10:40 PM You –:–
11:40 11:40 AM
Eastern Daylight Time · UTC-4
☀️ 07:26 · 🌙 18:21
22:40 10:40 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:59
·
+11 h
Chiang Mai is 11 h ahead of Williamsport, PA.
When you, Williamsport, 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
🇺🇸 Williamsport, 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 | 🇺🇸 Williamsport, PA | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 11:40 | 22:40 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Williamsport, PA | — | +11 h |
| IANA zone | America/New York | Asia/Bangkok |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:26 | 06:20 |
| Sunset | 18:21 | 17:59 |
| Daylight | 10 h 55 min | 11 h 39 min |
| People on this clock | 27,754 | 127,240 |
Compare Williamsport, PA with another city
More comparisons with Williamsport, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Williamsport, PA and Chiang Mai: common questions
How many hours ahead of Williamsport, PA, is Chiang Mai?
The clocks in Chiang Mai are 11 hours ahead of those in Williamsport (UTC+7 and UTC−4).
What time is it in Chiang Mai at the start of the working day in Williamsport, PA?
The working day in Williamsport starts at 9:00 AM; in Chiang Mai it is 8:00 PM at that moment.
What time is it in Chiang Mai at the end of the working day in Williamsport, PA?
The working day in Williamsport 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 Williamsport, PA, and Chiang Mai are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Williamsport 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 Williamsport time.
When does the date change in Chiang Mai compared with Williamsport, PA?
The new day starts in Chiang Mai earlier: at 1:00 PM in Williamsport it is already midnight there. Until 11:00 AM in Chiang Mai, Williamsport is still on the previous day.
Does the time difference between Williamsport, PA, and Chiang Mai change?
Yes. The clocks change only in Williamsport. From November 1, 2026, Chiang Mai will be 12 hours ahead of Williamsport.
