Istanbul to Chalcis: time difference
Chalcis is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 04:56 4:56 AM Chalcis 03:56 3:56 AM You –:–
04:56 4:56 AM
Türkiye Standard Time · UTC+3
☀️ 07:41 · 🌙 17:56
03:56 3:56 AM
Eastern European Standard Time · UTC+2
☀️ 06:58 · 🌙 17:22
·
−1 h
Chalcis is 1 h behind Istanbul.
When you, Istanbul and Chalcis are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇬🇷 Chalcis
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 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇬🇷 Chalcis |
|---|---|---|
| Local time | 04:56 | 03:56 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Türkiye Standard Time | Eastern European Standard Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Athens |
| Daylight saving | Not observed | On standard time → UTC+3, Mar 28, 04:00 |
| Sunrise | 07:41 | 06:58 |
| Sunset | 17:56 | 17:22 |
| Daylight | 10 h 15 min | 10 h 24 min |
| People on this clock | 15,701,602 | 59,125 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Chalcis: common questions
What is the time difference between Istanbul and Chalcis?
Chalcis is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
What time is it in Chalcis when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 8:00 AM in Chalcis.
If it is 6:00 PM in Istanbul, what time is it in Chalcis?
At 6:00 PM in Istanbul, clocks in Chalcis show 5:00 PM.
When do working hours in Istanbul and in Chalcis overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Istanbul, which is 9:00 AM to 5:00 PM in Chalcis.
When does the date change in Chalcis compared with Istanbul?
The new day starts in Chalcis later: until 1:00 AM in Istanbul, it is still the previous day there. From 11:00 PM in Chalcis, Istanbul is already on the next day.
Is the time difference between Istanbul and Chalcis the same all year?
No. Only Chalcis switches to summer time, so the gap changes twice a year. From March 28, 2027, Chalcis and Istanbul will have the same time.
