Roy, UT to Chiang Mai: time difference
Chiang Mai is 13 h ahead of Roy, UT. 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.
Roy, UT 20:40 8:40 PM Chiang Mai 09:40 9:40 AM You –:–
20:40 8:40 PM
Mountain Daylight Time · UTC-6
☀️ 07:36 · 🌙 18:55
09:40 9:40 AM
Indochina Time · UTC+7
☀️ 06:18 · 🌙 18:05
·
+13 h
Chiang Mai is 13 h ahead of Roy, UT.
When you, Roy, UT 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
🇺🇸 Roy, UT
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
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Time zones side by side
| Detail | 🇺🇸 Roy, UT | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 20:40 | 09:40 |
| Local date | Sunday, October 11, 2026 | Monday, October 12, 2026 |
| Time zone | Mountain Daylight Time | Indochina Time |
| UTC offset | UTC-6 | UTC+7 |
| Offset from Roy, UT | — | +13 h |
| IANA zone | America/Denver | Asia/Bangkok |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 06:18 |
| Sunset | 18:55 | 18:05 |
| Daylight | 11 h 19 min | 11 h 47 min |
| People on this clock | 39,306 | 127,240 |
Compare Roy, UT with another city
More comparisons with Roy, UT: the time zones next to it and the far side of the clock.
Nearby time zones
Roy, UT and Chiang Mai: common questions
How far ahead of Roy, UT, is Chiang Mai?
Chiang Mai is 13 hours ahead of Roy: UTC+7 against UTC−6.
What time is it in Chiang Mai when it is 9:00 AM in Roy, UT?
When it is 9:00 AM in Roy, it is 10:00 PM in Chiang Mai.
What time is it in Chiang Mai at the end of the working day in Roy, UT?
The working day in Roy ends at 6:00 PM; in Chiang Mai it is 7:00 AM (the next day) at that moment.
Is there a time when both Roy, UT, and Chiang Mai are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Roy at 9:00 AM, it is 10:00 PM in Chiang Mai; the day in Chiang Mai starts at 8:00 PM (the previous day) in Roy time.
When does the date change in Chiang Mai compared with Roy, UT?
The new day starts in Chiang Mai earlier: at 11:00 AM in Roy it is already midnight there. Until 1:00 PM in Chiang Mai, Roy is still on the previous day.
Does the time gap between Roy, UT, and Chiang Mai change during the year?
Yes – daylight saving time is used in Roy but not in Chiang Mai. From November 1, 2026, Chiang Mai will be 14 hours ahead of Roy.
