Piraeus to Chiang Mai: time difference
Chiang Mai is 4 h ahead of Piraeus. 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.
Piraeus 04:31 4:31 AM Chiang Mai 08:31 8:31 AM You –:–
04:31 4:31 AM
Eastern European Summer Time · UTC+3
☀️ 07:29 · 🌙 18:57
08:31 8:31 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
·
+4 h
Chiang Mai is 4 h ahead of Piraeus.
When you, Piraeus 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
🇬🇷 Piraeus
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
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇷 Piraeus | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 04:31 | 08:31 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern European Summer Time | Indochina Time |
| UTC offset | UTC+3 | UTC+7 |
| Offset from Piraeus | — | +4 h |
| IANA zone | Europe/Athens | Asia/Bangkok |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:29 | 06:17 |
| Sunset | 18:57 | 18:07 |
| Daylight | 11 h 27 min | 11 h 49 min |
| People on this clock | 163,688 | 127,240 |
Compare Piraeus with another city
More comparisons with Piraeus: the time zones next to it and the far side of the clock.
Big time differences
Piraeus and Chiang Mai: common questions
How many hours ahead of Piraeus is Chiang Mai?
The clocks in Chiang Mai are 4 hours ahead of those in Piraeus (UTC+7 and UTC+3).
If it is 9:00 AM in Piraeus, what time is it in Chiang Mai?
At 9:00 AM in Piraeus, clocks in Chiang Mai show 1:00 PM.
What time is it in Chiang Mai at the end of the working day in Piraeus?
The working day in Piraeus ends at 6:00 PM; in Chiang Mai it is 10:00 PM at that moment.
When is a good time to call Chiang Mai from Piraeus?
Between 9:00 AM and 2:00 PM in Piraeus – that is 1:00 PM to 6:00 PM in Chiang Mai – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Chiang Mai compared with Piraeus?
The new day starts in Chiang Mai earlier: at 8:00 PM in Piraeus it is already midnight there. Until 4:00 AM in Chiang Mai, Piraeus is still on the previous day.
Does the time gap between Piraeus and Chiang Mai change during the year?
Yes – daylight saving time is used in Piraeus but not in Chiang Mai. From October 25, 2026, Chiang Mai will be 5 hours ahead of Piraeus.
