Katerini to Istanbul: time difference
Istanbul is 1 h ahead of Katerini. 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.
Katerini 20:37 8:37 PM Istanbul 21:37 9:37 PM You –:–
20:37 8:37 PM
Eastern European Standard Time · UTC+2
☀️ 07:04 · 🌙 17:24
21:37 9:37 PM
Türkiye Standard Time · UTC+3
☀️ 07:40 · 🌙 17:57
·
+1 h
Istanbul is 1 h ahead of Katerini.
When you, Katerini and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇷 Katerini
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
🇹🇷 Istanbul
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇷 Katerini | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 20:37 | 21:37 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Eastern European Standard Time | Türkiye Standard Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Katerini | — | +1 h |
| IANA zone | Europe/Athens | Europe/Istanbul |
| Daylight saving | On standard time → UTC+3, Mar 28, 04:00 | Not observed |
| Sunrise | 07:04 | 07:40 |
| Sunset | 17:24 | 17:57 |
| Daylight | 10 h 20 min | 10 h 17 min |
| People on this clock | 56,000 | 15,701,602 |
Compare Katerini with another city
More comparisons with Katerini: the time zones next to it and the far side of the clock.
Big time differences
Katerini and Istanbul: common questions
How far ahead of Katerini is Istanbul?
Istanbul is 1 hour ahead of Katerini: UTC+3 against UTC+2.
What time is it in Istanbul when it is 9:00 AM in Katerini?
When it is 9:00 AM in Katerini, it is 10:00 AM in Istanbul.
If it is 6:00 PM in Katerini, what time is it in Istanbul?
At 6:00 PM in Katerini, clocks in Istanbul show 7:00 PM.
When is a good time to call Istanbul from Katerini?
Between 9:00 AM and 5:00 PM in Katerini – that is 10:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
From what time in Katerini is it tomorrow in Istanbul?
Once it is 11:00 PM in Katerini, the date in Istanbul has already changed. Until 1:00 AM in Istanbul, it is still the previous day in Katerini.
Does the time difference between Katerini and Istanbul change?
Yes. The clocks change only in Katerini. From March 28, 2027, Istanbul and Katerini will have the same time.
