Chiang Mai to Merthyr Tydfil: time difference
Merthyr Tydfil is 6 h behind Chiang Mai. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇬🇧 Merthyr Tydfil, United Kingdom
11
- British Summer Time
- UTC+1
- Daytime
☀️ 07:43 · 🌙 18:16 · 10 h 32 min
−6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Chiang Mai 18:00 6:00 PM Merthyr Tydfil 12:00 12:00 PM You –:–
18:00 6:00 PM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
12:00 12:00 PM
British Summer Time · UTC+1
☀️ 07:43 · 🌙 18:16
·
−6 h
Merthyr Tydfil is 6 h behind Chiang Mai.
When you, Chiang Mai and Merthyr Tydfil 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
🇬🇧 Merthyr Tydfil
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 14 2 PM 15 3 PM 16 4 PM 17 5 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇬🇧 Merthyr Tydfil |
|---|---|---|
| Local time | 18:00 | 12:00 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | British Summer Time |
| UTC offset | UTC+7 | UTC+1 |
| Offset from Chiang Mai | — | −6 h |
| IANA zone | Asia/Bangkok | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:19 | 07:43 |
| Sunset | 18:01 | 18:16 |
| Daylight | 11 h 41 min | 10 h 32 min |
| People on this clock | 127,240 | 43,820 |
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 Merthyr Tydfil: common questions
What is the time difference between Chiang Mai and Merthyr Tydfil?
Merthyr Tydfil is 6 hours behind: it uses UTC+1, while Chiang Mai is on UTC+7.
What time is it in Merthyr Tydfil when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 3:00 AM in Merthyr Tydfil.
If it is 6:00 PM in Chiang Mai, what time is it in Merthyr Tydfil?
At 6:00 PM in Chiang Mai, clocks in Merthyr Tydfil show 12:00 PM.
When do working hours in Chiang Mai and in Merthyr Tydfil overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Chiang Mai, which is 9:00 AM to 12:00 PM in Merthyr Tydfil.
When is it still the previous day in Merthyr Tydfil?
Until 6:00 AM in Chiang Mai it is still the previous day in Merthyr Tydfil. The other way round, from 6:00 PM in Merthyr Tydfil it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Merthyr Tydfil change?
Yes. The clocks change only in Merthyr Tydfil. From October 25, 2026, Merthyr Tydfil will be 7 hours behind Chiang Mai.
