Boa Vista to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Boa Vista. 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.
Boa Vista 08:29 8:29 AM Chiang Mai 19:29 7:29 PM You –:–
08:29 8:29 AM
Amazon Standard Time · UTC-4
☀️ 05:47 · 🌙 17:50
19:29 7:29 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
·
+11 h
Chiang Mai is 11 h ahead of Boa Vista.
When you, Boa Vista 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
🇧🇷 Boa Vista
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 | 🇧🇷 Boa Vista | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 08:29 | 19:29 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Amazon Standard Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Boa Vista | — | +11 h |
| IANA zone | America/Boa Vista | Asia/Bangkok |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:47 | 06:20 |
| Sunset | 17:50 | 18:00 |
| Daylight | 12 h 3 min | 11 h 40 min |
| People on this clock | 413,486 | 127,240 |
Compare Boa Vista with another city
More comparisons with Boa Vista: the time zones next to it and the far side of the clock.
Nearby time zones
Boa Vista and Chiang Mai: common questions
What is the time difference between Boa Vista and Chiang Mai?
Chiang Mai is 11 hours ahead: it uses UTC+7, while Boa Vista is on UTC−4.
What time is it in Chiang Mai when it is 9:00 AM in Boa Vista?
When it is 9:00 AM in Boa Vista, it is 8:00 PM in Chiang Mai.
If it is 6:00 PM in Boa Vista, what time is it in Chiang Mai?
At 6:00 PM in Boa Vista, clocks in Chiang Mai show 5:00 AM (the next day).
When do working hours in Boa Vista and in Chiang Mai overlap?
They don't: there are no shared working hours. The start of the day in Boa Vista (9:00 AM) is 8:00 PM in Chiang Mai, and the start of the day in Chiang Mai is 10:00 PM (the previous day) in Boa Vista.
When does the date change in Chiang Mai compared with Boa Vista?
The new day starts in Chiang Mai earlier: at 1:00 PM in Boa Vista it is already midnight there. Until 11:00 AM in Chiang Mai, Boa Vista is still on the previous day.
Is the time difference between Boa Vista and Chiang Mai the same all year?
Yes. Neither Boa Vista nor Chiang Mai switches to summer time, so the gap is always 11 hours.
