Constanta to Chiang Mai: time difference
Chiang Mai is 4 h ahead of Constanta. 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.
Constanta 04:30 4:30 AM Chiang Mai 08:30 8:30 AM You –:–
04:30 4:30 AM
Eastern European Summer Time · UTC+3
☀️ 07:14 · 🌙 18:32
08:30 8:30 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
·
+4 h
Chiang Mai is 4 h ahead of Constanta.
When you, Constanta 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
🇷🇴 Constanta
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 | 🇷🇴 Constanta | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 04:30 | 08:30 |
| 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 Constanta | — | +4 h |
| IANA zone | Europe/Bucharest | Asia/Bangkok |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:14 | 06:17 |
| Sunset | 18:32 | 18:07 |
| Daylight | 11 h 18 min | 11 h 49 min |
| People on this clock | 283,872 | 127,240 |
Compare Constanta with another city
More comparisons with Constanta: the time zones next to it and the far side of the clock.
Big time differences
Constanta and Chiang Mai: common questions
How many hours ahead of Constanta is Chiang Mai?
The clocks in Chiang Mai are 4 hours ahead of those in Constanta (UTC+7 and UTC+3).
What time is it in Chiang Mai at the start of the working day in Constanta?
The working day in Constanta starts at 9:00 AM; in Chiang Mai it is 1:00 PM at that moment.
What time is it in Chiang Mai at the end of the working day in Constanta?
The working day in Constanta ends at 6:00 PM; in Chiang Mai it is 10:00 PM at that moment.
When do working hours in Constanta and in Chiang Mai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 2:00 PM in Constanta, which is 1:00 PM to 6:00 PM in Chiang Mai.
When does the date change in Chiang Mai compared with Constanta?
The new day starts in Chiang Mai earlier: at 8:00 PM in Constanta it is already midnight there. Until 4:00 AM in Chiang Mai, Constanta is still on the previous day.
Does the time difference between Constanta and Chiang Mai change?
Yes. The clocks change only in Constanta. From October 25, 2026, Chiang Mai will be 5 hours ahead of Constanta.