Katerini to Tbilisi: time difference
Tbilisi 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 22:03 10:03 PM Tbilisi 23:03 11:03 PM You –:–
22:03 10:03 PM
Eastern European Summer Time · UTC+3
☀️ 07:43 · 🌙 18:49
23:03 11:03 PM
Georgia Standard Time · UTC+4
☀️ 07:15 · 🌙 18:18
·
+1 h
Tbilisi is 1 h ahead of Katerini.
When you, Katerini and Tbilisi 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
🇬🇪 Tbilisi
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 | 🇬🇪 Tbilisi |
|---|---|---|
| Local time | 22:03 | 23:03 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern European Summer Time | Georgia Standard Time |
| UTC offset | UTC+3 | UTC+4 |
| Offset from Katerini | — | +1 h |
| IANA zone | Europe/Athens | Asia/Tbilisi |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:43 | 07:15 |
| Sunset | 18:49 | 18:18 |
| Daylight | 11 h 6 min | 11 h 3 min |
| People on this clock | 56,000 | 1,241,700 |
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 Tbilisi: common questions
How many hours ahead of Katerini is Tbilisi?
The clocks in Tbilisi are 1 hour ahead of those in Katerini (UTC+4 and UTC+3).
What time is it in Tbilisi at the start of the working day in Katerini?
The working day in Katerini starts at 9:00 AM; in Tbilisi it is 10:00 AM at that moment.
What time is it in Tbilisi at the end of the working day in Katerini?
The working day in Katerini ends at 6:00 PM; in Tbilisi it is 7:00 PM at that moment.
When is a good time to call Tbilisi from Katerini?
Between 9:00 AM and 5:00 PM in Katerini – that is 10:00 AM to 6:00 PM in Tbilisi – both places are within working hours (9:00 AM–6:00 PM).
From what time in Katerini is it tomorrow in Tbilisi?
Once it is 11:00 PM in Katerini, the date in Tbilisi has already changed. Until 1:00 AM in Tbilisi, it is still the previous day in Katerini.
Does the time difference between Katerini and Tbilisi change?
Yes. The clocks change only in Katerini. From October 25, 2026, Tbilisi will be 2 hours ahead of Katerini.
