Thornton, CO to Chiang Mai: time difference
Chiang Mai is 13 h ahead of Thornton, CO. 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.
Thornton, CO 10:04 10:04 AM Chiang Mai 23:04 11:04 PM You –:–
10:04 10:04 AM
Mountain Daylight Time · UTC-6
☀️ 07:14 · 🌙 18:17
23:04 11:04 PM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+13 h
Chiang Mai is 13 h ahead of Thornton, CO.
When you, Thornton, CO 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
🇺🇸 Thornton, CO
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
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Time zones side by side
| Detail | 🇺🇸 Thornton, CO | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 10:04 | 23:04 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Mountain Daylight Time | Indochina Time |
| UTC offset | UTC-6 | UTC+7 |
| Offset from Thornton, CO | — | +13 h |
| IANA zone | America/Denver | Asia/Bangkok |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:14 | 06:19 |
| Sunset | 18:17 | 18:01 |
| Daylight | 11 h 3 min | 11 h 41 min |
| People on this clock | 139,478 | 127,240 |
Compare Thornton, CO with another city
More comparisons with Thornton, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Thornton, CO and Chiang Mai: common questions
How many hours ahead of Thornton, CO, is Chiang Mai?
The clocks in Chiang Mai are 13 hours ahead of those in Thornton (UTC+7 and UTC−6).
What time is it in Chiang Mai at the start of the working day in Thornton, CO?
The working day in Thornton starts at 9:00 AM; in Chiang Mai it is 10:00 PM at that moment.
What time is it in Chiang Mai when it is 6:00 PM in Thornton, CO?
When it is 6:00 PM in Thornton, it is 7:00 AM (the next day) in Chiang Mai.
When is a good time to call Chiang Mai from Thornton, CO?
Working hours (9:00 AM–6:00 PM) in Thornton and in Chiang Mai do not overlap. At 9:00 AM in Thornton 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 Thornton.
From what time in Thornton, CO, is it tomorrow in Chiang Mai?
Once it is 11:00 AM in Thornton, the date in Chiang Mai has already changed. Until 1:00 PM in Chiang Mai, it is still the previous day in Thornton.
Is the time difference between Thornton, CO, and Chiang Mai the same all year?
No. Only Thornton switches to summer time, so the gap changes twice a year. From November 1, 2026, Chiang Mai will be 14 hours ahead of Thornton.
