Porto Velho to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Porto Velho. 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.
Porto Velho 14:38 2:38 PM Chiang Mai 01:38 1:38 AM You –:–
14:38 2:38 PM
Amazon Standard Time · UTC-4
☀️ 05:53 · 🌙 18:11
01:38 1:38 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+11 h
Chiang Mai is 11 h ahead of Porto Velho.
When you, Porto Velho and Chiang Mai are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Porto Velho
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
🇹🇭 Chiang Mai
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Porto Velho | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 14:38 | 01:38 |
| Local date | Friday, October 16, 2026 | Saturday, October 17, 2026 |
| Time zone | Amazon Standard Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Porto Velho | — | +11 h |
| IANA zone | America/Porto Velho | Asia/Bangkok |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:53 | 06:19 |
| Sunset | 18:11 | 18:01 |
| Daylight | 12 h 18 min | 11 h 42 min |
| People on this clock | 460,434 | 127,240 |
Compare Porto Velho with another city
More comparisons with Porto Velho: the time zones next to it and the far side of the clock.
Nearby time zones
Porto Velho and Chiang Mai: common questions
What is the time difference between Porto Velho and Chiang Mai?
Chiang Mai is 11 hours ahead: it uses UTC+7, while Porto Velho is on UTC−4.
If it is 9:00 AM in Porto Velho, what time is it in Chiang Mai?
At 9:00 AM in Porto Velho, clocks in Chiang Mai show 8:00 PM.
What time is it in Chiang Mai when it is 6:00 PM in Porto Velho?
When it is 6:00 PM in Porto Velho, it is 5:00 AM (the next day) in Chiang Mai.
When is a good time to call Chiang Mai from Porto Velho?
Working hours (9:00 AM–6:00 PM) in Porto Velho and in Chiang Mai do not overlap. At 9:00 AM in Porto Velho it is 8:00 PM in Chiang Mai; when the working day starts in Chiang Mai, it is 10:00 PM (the previous day) in Porto Velho.
When does the date change in Chiang Mai compared with Porto Velho?
The new day starts in Chiang Mai earlier: at 1:00 PM in Porto Velho it is already midnight there. Until 11:00 AM in Chiang Mai, Porto Velho is still on the previous day.
Does the time difference between Porto Velho and Chiang Mai change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
