Chiang Mai to Castle Rock, CO: time difference
Castle Rock, 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 02:01 2:01 AM Castle Rock, CO 13:01 1:01 PM You –:–
02:01 2:01 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:06
13:01 1:01 PM
Mountain Daylight Time · UTC-6
☀️ 07:05 · 🌙 18:29
·
−13 h
Castle Rock, CO is 13 h behind Chiang Mai.
When you, Chiang Mai and Castle Rock, 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
🇺🇸 Castle Rock, 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 | 🇺🇸 Castle Rock, CO |
|---|---|---|
| Local time | 02:01 | 13:01 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 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 | 06:17 | 07:05 |
| Sunset | 18:06 | 18:29 |
| Daylight | 11 h 48 min | 11 h 25 min |
| People on this clock | 127,240 | 73,158 |
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 Castle Rock, CO: common questions
How many hours behind Chiang Mai is Castle Rock, CO?
The clocks in Castle Rock are 13 hours behind those in Chiang Mai (UTC−6 and UTC+7).
What time is it in Castle Rock, CO, at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Castle Rock it is 8:00 PM (the previous day) at that moment.
What time is it in Castle Rock, CO, when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 5:00 AM in Castle Rock.
Is there a time when both Chiang Mai and Castle Rock, CO, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Chiang Mai at 9:00 AM, it is 8:00 PM (the previous day) in Castle Rock; the day in Castle Rock starts at 10:00 PM in Chiang Mai time.
When is it still the previous day in Castle Rock, CO?
Until 1:00 PM in Chiang Mai it is still the previous day in Castle Rock. The other way round, from 11:00 AM in Castle Rock it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Castle Rock, CO, change?
Yes. The clocks change only in Castle Rock. From November 1, 2026, Castle Rock will be 14 hours behind Chiang Mai.
