Coamo to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Coamo. 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.
Coamo 13:17 1:17 PM Chiang Mai 00:17 12:17 AM You –:–
13:17 1:17 PM
Atlantic Standard Time · UTC-4
☀️ 06:20 · 🌙 18:03
00:17 12:17 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+11 h
Chiang Mai is 11 h ahead of Coamo.
When you, Coamo 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
🇵🇷 Coamo
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
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 | 🇵🇷 Coamo | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 13:17 | 00:17 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Atlantic Standard Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Coamo | — | +11 h |
| IANA zone | America/Puerto Rico | Asia/Bangkok |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 06:19 |
| Sunset | 18:03 | 18:01 |
| Daylight | 11 h 43 min | 11 h 42 min |
| People on this clock | 40,000 | 127,240 |
Compare Coamo with another city
More comparisons with Coamo: the time zones next to it and the far side of the clock.
Nearby time zones
Coamo and Chiang Mai: common questions
How many hours ahead of Coamo is Chiang Mai?
The clocks in Chiang Mai are 11 hours ahead of those in Coamo (UTC+7 and UTC−4).
What time is it in Chiang Mai at the start of the working day in Coamo?
The working day in Coamo starts at 9:00 AM; in Chiang Mai it is 8:00 PM at that moment.
What time is it in Chiang Mai when it is 6:00 PM in Coamo?
When it is 6:00 PM in Coamo, it is 5:00 AM (the next day) in Chiang Mai.
When do working hours in Coamo and in Chiang Mai overlap?
They don't: there are no shared working hours. The start of the day in Coamo (9:00 AM) is 8:00 PM in Chiang Mai, and the start of the day in Chiang Mai is 10:00 PM (the previous day) in Coamo.
When does the date change in Chiang Mai compared with Coamo?
The new day starts in Chiang Mai earlier: at 1:00 PM in Coamo it is already midnight there. Until 11:00 AM in Chiang Mai, Coamo is still on the previous day.
Does the time difference between Coamo and Chiang Mai change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
