Chiang Mai to Porto Seguro: time difference
Porto Seguro is 10 h behind Chiang Mai. Live clocks for both, the working hours they share, and how each one sits against your own time.
−10 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Chiang Mai 16:57 4:57 PM Porto Seguro 06:57 6:57 AM You –:–
16:57 4:57 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
06:57 6:57 AM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 17:35
·
−10 h
Porto Seguro is 10 h behind Chiang Mai.
When you, Chiang Mai and Porto Seguro 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
🇧🇷 Porto Seguro
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 | 🇧🇷 Porto Seguro |
|---|---|---|
| Local time | 16:57 | 06:57 |
| 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/Bahia |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:13 |
| Sunset | 18:07 | 17:35 |
| Daylight | 11 h 49 min | 12 h 23 min |
| People on this clock | 127,240 | 168,326 |
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 Porto Seguro: common questions
What is the time difference between Chiang Mai and Porto Seguro?
Porto Seguro is 10 hours behind: it uses UTC−3, while Chiang Mai is on UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Porto Seguro?
At 9:00 AM in Chiang Mai, clocks in Porto Seguro show 11:00 PM (the previous day).
What time is it in Porto Seguro when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 8:00 AM in Porto Seguro.
Is there a time when both Chiang Mai and Porto Seguro 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 Porto Seguro; the day in Porto Seguro starts at 7:00 PM in Chiang Mai time.
When does the date change in Porto Seguro compared with Chiang Mai?
The new day starts in Porto Seguro later: until 10:00 AM in Chiang Mai, it is still the previous day there. From 2:00 PM in Porto Seguro, Chiang Mai is already on the next day.
Does the time difference between Chiang Mai and Porto Seguro change?
No. Neither place uses daylight saving time, so the difference stays 10 hours all year.
