Chiang Mai to Petrolina: time difference
Petrolina is 10 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 10:39 10:39 AM Petrolina 00:39 12:39 AM You –:–
10:39 10:39 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
00:39 12:39 AM
Brasilia Standard Time · UTC-3
☀️ 05:22 · 🌙 17:37
·
−10 h
Petrolina is 10 h behind Chiang Mai.
When you, Chiang Mai and Petrolina 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
🇧🇷 Petrolina
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 13 1 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇧🇷 Petrolina |
|---|---|---|
| Local time | 10:39 | 00:39 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | Brasilia Standard Time |
| UTC offset | UTC+7 | UTC-3 |
| Offset from Chiang Mai | — | −10 h |
| IANA zone | Asia/Bangkok | America/Recife |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:22 |
| Sunset | 18:07 | 17:37 |
| Daylight | 11 h 49 min | 12 h 16 min |
| People on this clock | 127,240 | 386,791 |
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 Petrolina: common questions
How far behind Chiang Mai is Petrolina?
Petrolina is 10 hours behind Chiang Mai: UTC−3 against UTC+7.
What time is it in Petrolina at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Petrolina it is 11:00 PM (the previous day) at that moment.
What time is it in Petrolina when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 8:00 AM in Petrolina.
When is a good time to call Petrolina from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Petrolina do not overlap. At 9:00 AM in Chiang Mai it is 11:00 PM (the previous day) in Petrolina; when the working day starts in Petrolina, it is 7:00 PM in Chiang Mai.
When does the date change in Petrolina compared with Chiang Mai?
The new day starts in Petrolina later: until 10:00 AM in Chiang Mai, it is still the previous day there. From 2:00 PM in Petrolina, Chiang Mai is already on the next day.
Does the time gap between Chiang Mai and Petrolina change during the year?
No, the clocks change neither in Chiang Mai nor in Petrolina, so the gap is 10 hours all year round.
