Chiang Mai to Las Piedras: time difference
Las Piedras is 11 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 05:18 5:18 AM Las Piedras 18:18 6:18 PM You –:–
05:18 5:18 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
18:18 6:18 PM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:01
·
−11 h
Las Piedras is 11 h behind Chiang Mai.
When you, Chiang Mai and Las Piedras 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
🇵🇷 Las Piedras
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
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇵🇷 Las Piedras |
|---|---|---|
| Local time | 05:18 | 18:18 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Indochina Time | Atlantic Standard Time |
| UTC offset | UTC+7 | UTC-4 |
| Offset from Chiang Mai | — | −11 h |
| IANA zone | Asia/Bangkok | America/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 06:18 |
| Sunset | 18:01 | 18:01 |
| Daylight | 11 h 41 min | 11 h 43 min |
| People on this clock | 127,240 | 38,000 |
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 Las Piedras: common questions
What is the time difference between Chiang Mai and Las Piedras?
Las Piedras is 11 hours behind: it uses UTC−4, while Chiang Mai is on UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Las Piedras?
At 9:00 AM in Chiang Mai, clocks in Las Piedras show 10:00 PM (the previous day).
What time is it in Las Piedras when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 7:00 AM in Las Piedras.
Is there a time when both Chiang Mai and Las Piedras 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 10:00 PM (the previous day) in Las Piedras; the day in Las Piedras starts at 8:00 PM in Chiang Mai time.
Until what time in Chiang Mai is it still yesterday in Las Piedras?
Before 11:00 AM in Chiang Mai, the date in Las Piedras has not changed yet. From 1:00 PM in Las Piedras, it is already the next day in Chiang Mai.
Is the time difference between Chiang Mai and Las Piedras the same all year?
Yes. Neither Chiang Mai nor Las Piedras switches to summer time, so the gap is always 11 hours.
