Longmont, CO to Chiang Mai: time difference
Chiang Mai is 13 h ahead of Longmont, 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.
Longmont, CO 11:09 11:09 AM Chiang Mai 00:09 12:09 AM You –:–
11:09 11:09 AM
Mountain Daylight Time · UTC-6
☀️ 07:16 · 🌙 18:16
00:09 12:09 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
·
+13 h
Chiang Mai is 13 h ahead of Longmont, CO.
When you, Longmont, 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
🇺🇸 Longmont, 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
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Longmont, CO | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 11:09 | 00:09 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 2026 |
| Time zone | Mountain Daylight Time | Indochina Time |
| UTC offset | UTC-6 | UTC+7 |
| Offset from Longmont, CO | — | +13 h |
| IANA zone | America/Denver | Asia/Bangkok |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:16 | 06:20 |
| Sunset | 18:16 | 18:00 |
| Daylight | 11 h | 11 h 40 min |
| People on this clock | 94,341 | 127,240 |
Compare Longmont, CO with another city
More comparisons with Longmont, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Longmont, CO and Chiang Mai: common questions
What is the time difference between Longmont, CO, and Chiang Mai?
Chiang Mai is 13 hours ahead: it uses UTC+7, while Longmont is on UTC−6.
What time is it in Chiang Mai at the start of the working day in Longmont, CO?
The working day in Longmont starts at 9:00 AM; in Chiang Mai it is 10:00 PM at that moment.
If it is 6:00 PM in Longmont, CO, what time is it in Chiang Mai?
At 6:00 PM in Longmont, clocks in Chiang Mai show 7:00 AM (the next day).
When is a good time to call Chiang Mai from Longmont, CO?
Working hours (9:00 AM–6:00 PM) in Longmont and in Chiang Mai do not overlap. At 9:00 AM in Longmont 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 Longmont.
When is it already the next day in Chiang Mai?
From 11:00 AM in Longmont, CO, it is already the next day in Chiang Mai. The other way round, until 1:00 PM in Chiang Mai it is still the previous day in Longmont.
Does the time gap between Longmont, CO, and Chiang Mai change during the year?
Yes – daylight saving time is used in Longmont but not in Chiang Mai. From November 1, 2026, Chiang Mai will be 14 hours ahead of Longmont.
