🇵🇹 Castelo Branco, Portugal
21
- Western European Summer Time
- UTC+1
- Daytime
☀️ 07:45 · 🌙 18:46 · 11 h 2 min
Castelo Branco to Chiang Mai: time difference
Chiang Mai is 6 h ahead of Castelo Branco. 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.
Castelo Branco 15:00 3:00 PM Chiang Mai 21:00 9:00 PM You –:–
15:00 3:00 PM
Western European Summer Time · UTC+1
☀️ 07:45 · 🌙 18:46
21:00 9:00 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
·
+6 h
Chiang Mai is 6 h ahead of Castelo Branco.
When you, Castelo Branco 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
🇵🇹 Castelo Branco
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
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Castelo Branco | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 15:00 | 21:00 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Indochina Time |
| UTC offset | UTC+1 | UTC+7 |
| Offset from Castelo Branco | — | +6 h |
| IANA zone | Europe/Lisbon | Asia/Bangkok |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:45 | 06:20 |
| Sunset | 18:46 | 18:00 |
| Daylight | 11 h 2 min | 11 h 40 min |
| People on this clock | 52,291 | 127,240 |
Compare Castelo Branco with another city
More comparisons with Castelo Branco: the time zones next to it and the far side of the clock.
Big time differences
Castelo Branco and Chiang Mai: common questions
How far ahead of Castelo Branco is Chiang Mai?
Chiang Mai is 6 hours ahead of Castelo Branco: UTC+7 against UTC+1.
What time is it in Chiang Mai at the start of the working day in Castelo Branco?
The working day in Castelo Branco starts at 9:00 AM; in Chiang Mai it is 3:00 PM at that moment.
If it is 6:00 PM in Castelo Branco, what time is it in Chiang Mai?
At 6:00 PM in Castelo Branco, clocks in Chiang Mai show 12:00 AM (the next day).
When do working hours in Castelo Branco and in Chiang Mai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 12:00 PM in Castelo Branco, which is 3:00 PM to 6:00 PM in Chiang Mai.
When does the date change in Chiang Mai compared with Castelo Branco?
The new day starts in Chiang Mai earlier: at 6:00 PM in Castelo Branco it is already midnight there. Until 6:00 AM in Chiang Mai, Castelo Branco is still on the previous day.
Is the time difference between Castelo Branco and Chiang Mai the same all year?
No. Only Castelo Branco switches to summer time, so the gap changes twice a year. From October 25, 2026, Chiang Mai will be 7 hours ahead of Castelo Branco.
