Chiang Mai to Ubatuba: time difference
Ubatuba 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 11:16 11:16 AM Ubatuba 01:16 1:16 AM You –:–
11:16 11:16 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
01:16 1:16 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 18:07
·
−10 h
Ubatuba is 10 h behind Chiang Mai.
When you, Chiang Mai and Ubatuba 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
🇧🇷 Ubatuba
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 | 🇧🇷 Ubatuba |
|---|---|---|
| Local time | 11:16 | 01:16 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 05:26 |
| Sunset | 18:01 | 18:07 |
| Daylight | 11 h 41 min | 12 h 41 min |
| People on this clock | 127,240 | 92,981 |
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 Ubatuba: common questions
How far behind Chiang Mai is Ubatuba?
Ubatuba is 10 hours behind Chiang Mai: UTC−3 against UTC+7.
What time is it in Ubatuba at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Ubatuba it is 11:00 PM (the previous day) at that moment.
If it is 6:00 PM in Chiang Mai, what time is it in Ubatuba?
At 6:00 PM in Chiang Mai, clocks in Ubatuba show 8:00 AM.
When do working hours in Chiang Mai and in Ubatuba 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 Ubatuba, and the start of the day in Ubatuba is 7:00 PM in Chiang Mai.
When is it still the previous day in Ubatuba?
Until 10:00 AM in Chiang Mai it is still the previous day in Ubatuba. The other way round, from 2:00 PM in Ubatuba it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Ubatuba change?
No. Neither place uses daylight saving time, so the difference stays 10 hours all year.
