Chiang Mai to Thornton, CO: time difference
Thornton, CO is 13 h behind Chiang Mai. 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.
Chiang Mai 00:45 12:45 AM Thornton, CO 11:45 11:45 AM You –:–
00:45 12:45 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
11:45 11:45 AM
Mountain Daylight Time · UTC-6
☀️ 07:14 · 🌙 18:17
·
−13 h
Thornton, CO is 13 h behind Chiang Mai.
When you, Chiang Mai and Thornton, CO are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Chiang Mai
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
🇺🇸 Thornton, CO
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Thornton, CO |
|---|---|---|
| Local time | 00:45 | 11:45 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | Mountain Daylight Time |
| UTC offset | UTC+7 | UTC-6 |
| Offset from Chiang Mai | — | −13 h |
| IANA zone | Asia/Bangkok | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:20 | 07:14 |
| Sunset | 18:00 | 18:17 |
| Daylight | 11 h 40 min | 11 h 3 min |
| People on this clock | 127,240 | 139,478 |
Compare Chiang Mai with another city
More comparisons with Chiang Mai: the time zones next to it and the far side of the clock.
Big time differences
Chiang Mai and Thornton, CO: common questions
How many hours behind Chiang Mai is Thornton, CO?
The clocks in Thornton are 13 hours behind those in Chiang Mai (UTC−6 and UTC+7).
If it is 9:00 AM in Chiang Mai, what time is it in Thornton, CO?
At 9:00 AM in Chiang Mai, clocks in Thornton show 8:00 PM (the previous day).
What time is it in Thornton, CO, at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in Thornton it is 5:00 AM at that moment.
When do working hours in Chiang Mai and in Thornton, CO, overlap?
They don't: there are no shared working hours. The start of the day in Chiang Mai (9:00 AM) is 8:00 PM (the previous day) in Thornton, and the start of the day in Thornton is 10:00 PM in Chiang Mai.
Until what time in Chiang Mai is it still yesterday in Thornton, CO?
Before 1:00 PM in Chiang Mai, the date in Thornton has not changed yet. From 11:00 AM in Thornton, it is already the next day in Chiang Mai.
Does the time gap between Chiang Mai and Thornton, CO, change during the year?
Yes – daylight saving time is used in Thornton but not in Chiang Mai. From November 1, 2026, Thornton will be 14 hours behind Chiang Mai.
