Chiang Mai to Serra: time difference
Serra 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 14:22 2:22 PM Serra 04:22 4:22 AM You –:–
14:22 2:22 PM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
04:22 4:22 AM
Brasilia Standard Time · UTC-3
☀️ 05:09 · 🌙 17:45
·
−10 h
Serra is 10 h behind Chiang Mai.
When you, Chiang Mai and Serra 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
🇧🇷 Serra
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 | 🇧🇷 Serra |
|---|---|---|
| Local time | 14:22 | 04:22 |
| 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 | 05:09 |
| Sunset | 18:01 | 17:45 |
| Daylight | 11 h 41 min | 12 h 36 min |
| People on this clock | 127,240 | 520,653 |
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 Serra: common questions
How far behind Chiang Mai is Serra?
Serra is 10 hours behind Chiang Mai: UTC−3 against UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Serra?
At 9:00 AM in Chiang Mai, clocks in Serra show 11:00 PM (the previous day).
If it is 6:00 PM in Chiang Mai, what time is it in Serra?
At 6:00 PM in Chiang Mai, clocks in Serra show 8:00 AM.
Is there a time when both Chiang Mai and Serra 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 Serra; the day in Serra starts at 7:00 PM in Chiang Mai time.
When is it still the previous day in Serra?
Until 10:00 AM in Chiang Mai it is still the previous day in Serra. The other way round, from 2:00 PM in Serra it is already the next day in Chiang Mai.
Does the time gap between Chiang Mai and Serra change during the year?
No, the clocks change neither in Chiang Mai nor in Serra, so the gap is 10 hours all year round.
