Casper, WY to Chiang Mai: time difference
Chiang Mai is 13 h ahead of Casper, WY. 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.
Casper, WY 12:35 12:35 PM Chiang Mai 01:35 1:35 AM You –:–
12:35 12:35 PM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
01:35 1:35 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
·
+13 h
Chiang Mai is 13 h ahead of Casper, WY.
When you, Casper, WY 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
🇺🇸 Casper, WY
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
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 | 🇺🇸 Casper, WY | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 12:35 | 01:35 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 2026 |
| Time zone | Mountain Daylight Time | Indochina Time |
| UTC offset | UTC-6 | UTC+7 |
| Offset from Casper, WY | — | +13 h |
| IANA zone | America/Denver | Asia/Bangkok |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:23 | 06:20 |
| Sunset | 18:19 | 18:00 |
| Daylight | 10 h 57 min | 11 h 40 min |
| People on this clock | 58,763 | 127,240 |
Compare Casper, WY with another city
More comparisons with Casper, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Casper, WY and Chiang Mai: common questions
What is the time difference between Casper, WY, and Chiang Mai?
Chiang Mai is 13 hours ahead: it uses UTC+7, while Casper is on UTC−6.
What time is it in Chiang Mai when it is 9:00 AM in Casper, WY?
When it is 9:00 AM in Casper, it is 10:00 PM in Chiang Mai.
What time is it in Chiang Mai when it is 6:00 PM in Casper, WY?
When it is 6:00 PM in Casper, it is 7:00 AM (the next day) in Chiang Mai.
When is a good time to call Chiang Mai from Casper, WY?
Working hours (9:00 AM–6:00 PM) in Casper and in Chiang Mai do not overlap. At 9:00 AM in Casper it is 10:00 PM in Chiang Mai; when the working day starts in Chiang Mai, it is 8:00 PM (the previous day) in Casper.
When does the date change in Chiang Mai compared with Casper, WY?
The new day starts in Chiang Mai earlier: at 11:00 AM in Casper it is already midnight there. Until 1:00 PM in Chiang Mai, Casper is still on the previous day.
Is the time difference between Casper, WY, and Chiang Mai the same all year?
No. Only Casper switches to summer time, so the gap changes twice a year. From November 1, 2026, Chiang Mai will be 14 hours ahead of Casper.
