Toa Alta to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Toa Alta. 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.
Toa Alta 12:43 12:43 PM Chiang Mai 23:43 11:43 PM You –:–
12:43 12:43 PM
Atlantic Standard Time · UTC-4
☀️ 06:20 · 🌙 18:02
23:43 11:43 PM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+11 h
Chiang Mai is 11 h ahead of Toa Alta.
When you, Toa Alta 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
🇵🇷 Toa Alta
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
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- Working hours
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Time zones side by side
| Detail | 🇵🇷 Toa Alta | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 12:43 | 23:43 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Toa Alta | — | +11 h |
| IANA zone | America/Puerto Rico | Asia/Bangkok |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 06:19 |
| Sunset | 18:02 | 18:01 |
| Daylight | 11 h 42 min | 11 h 42 min |
| People on this clock | 74,000 | 127,240 |
Compare Toa Alta with another city
More comparisons with Toa Alta: the time zones next to it and the far side of the clock.
Nearby time zones
Toa Alta and Chiang Mai: common questions
What is the time difference between Toa Alta and Chiang Mai?
Chiang Mai is 11 hours ahead: it uses UTC+7, while Toa Alta is on UTC−4.
What time is it in Chiang Mai at the start of the working day in Toa Alta?
The working day in Toa Alta starts at 9:00 AM; in Chiang Mai it is 8:00 PM at that moment.
If it is 6:00 PM in Toa Alta, what time is it in Chiang Mai?
At 6:00 PM in Toa Alta, clocks in Chiang Mai show 5:00 AM (the next day).
When is a good time to call Chiang Mai from Toa Alta?
Working hours (9:00 AM–6:00 PM) in Toa Alta and in Chiang Mai do not overlap. At 9:00 AM in Toa Alta it is 8:00 PM in Chiang Mai; when the working day starts in Chiang Mai, it is 10:00 PM (the previous day) in Toa Alta.
When is it already the next day in Chiang Mai?
From 1:00 PM in Toa Alta it is already the next day in Chiang Mai. The other way round, until 11:00 AM in Chiang Mai it is still the previous day in Toa Alta.
Does the time difference between Toa Alta and Chiang Mai change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
