Chiang Mai to Castanhal: time difference
Castanhal 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 18:29 6:29 PM Castanhal 08:29 8:29 AM You –:–
18:29 6:29 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
08:29 8:29 AM
Brasilia Standard Time · UTC-3
☀️ 05:55 · 🌙 18:03
·
−10 h
Castanhal is 10 h behind Chiang Mai.
When you, Chiang Mai and Castanhal 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
🇧🇷 Castanhal
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 | 🇧🇷 Castanhal |
|---|---|---|
| Local time | 18:29 | 08:29 |
| 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/Belem |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:55 |
| Sunset | 18:07 | 18:03 |
| Daylight | 11 h 49 min | 12 h 8 min |
| People on this clock | 127,240 | 192,256 |
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 Castanhal: common questions
How far behind Chiang Mai is Castanhal?
Castanhal is 10 hours behind Chiang Mai: UTC−3 against UTC+7.
What time is it in Castanhal at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Castanhal it is 11:00 PM (the previous day) at that moment.
What time is it in Castanhal when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 8:00 AM in Castanhal.
When do working hours in Chiang Mai and in Castanhal overlap?
They don't: there are no shared working hours. The start of the day in Chiang Mai (9:00 AM) is 11:00 PM (the previous day) in Castanhal, and the start of the day in Castanhal is 7:00 PM in Chiang Mai.
When does the date change in Castanhal compared with Chiang Mai?
The new day starts in Castanhal later: until 10:00 AM in Chiang Mai, it is still the previous day there. From 2:00 PM in Castanhal, Chiang Mai is already on the next day.
Does the time difference between Chiang Mai and Castanhal change?
No. Neither place uses daylight saving time, so the difference stays 10 hours all year.
