Chiang Mai to Kos: time difference
Kos is 4 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 15:33 3:33 PM Kos 11:33 11:33 AM You –:–
15:33 3:33 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:59
11:33 11:33 AM
Eastern European Summer Time · UTC+3
☀️ 07:24 · 🌙 18:30
·
−4 h
Kos is 4 h behind Chiang Mai.
When you, Chiang Mai and Kos 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
🇬🇷 Kos
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 18 6 PM 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇬🇷 Kos |
|---|---|---|
| Local time | 15:33 | 11:33 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Indochina Time | Eastern European Summer Time |
| UTC offset | UTC+7 | UTC+3 |
| Offset from Chiang Mai | — | −4 h |
| IANA zone | Asia/Bangkok | Europe/Athens |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 06:20 | 07:24 |
| Sunset | 17:59 | 18:30 |
| Daylight | 11 h 39 min | 11 h 6 min |
| People on this clock | 127,240 | 30,947 |
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 Kos: common questions
How far behind Chiang Mai is Kos?
Kos is 4 hours behind Chiang Mai: UTC+3 against UTC+7.
What time is it in Kos when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 5:00 AM in Kos.
What time is it in Kos when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 2:00 PM in Kos.
When do working hours in Chiang Mai and in Kos overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Chiang Mai, which is 9:00 AM to 2:00 PM in Kos.
When does the date change in Kos compared with Chiang Mai?
The new day starts in Kos later: until 4:00 AM in Chiang Mai, it is still the previous day there. From 8:00 PM in Kos, Chiang Mai is already on the next day.
Does the time gap between Chiang Mai and Kos change during the year?
Yes – daylight saving time is used in Kos but not in Chiang Mai. From October 25, 2026, Kos will be 5 hours behind Chiang Mai.
