Chiang Mai to Teresina: time difference
Teresina 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 16:46 4:46 PM Teresina 06:46 6:46 AM You –:–
16:46 4:46 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
06:46 6:46 AM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 17:45
·
−10 h
Teresina is 10 h behind Chiang Mai.
When you, Chiang Mai and Teresina 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
🇧🇷 Teresina
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 | 🇧🇷 Teresina |
|---|---|---|
| Local time | 16:46 | 06:46 |
| 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/Fortaleza |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:33 |
| Sunset | 18:07 | 17:45 |
| Daylight | 11 h 49 min | 12 h 11 min |
| People on this clock | 127,240 | 866,300 |
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 Teresina: common questions
How many hours behind Chiang Mai is Teresina?
The clocks in Teresina are 10 hours behind those in Chiang Mai (UTC−3 and UTC+7).
What time is it in Teresina when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 11:00 PM (the previous day) in Teresina.
What time is it in Teresina when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 8:00 AM in Teresina.
Is there a time when both Chiang Mai and Teresina 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 11:00 PM (the previous day) in Teresina; the day in Teresina starts at 7:00 PM in Chiang Mai time.
When is it still the previous day in Teresina?
Until 10:00 AM in Chiang Mai it is still the previous day in Teresina. The other way round, from 2:00 PM in Teresina it is already the next day in Chiang Mai.
Does the time gap between Chiang Mai and Teresina change during the year?
No, the clocks change neither in Chiang Mai nor in Teresina, so the gap is 10 hours all year round.
