Tbilisi to Kastoria: time difference
Kastoria is 1 h behind Tbilisi. 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.
Tbilisi 03:20 3:20 AM Kastoria 02:20 2:20 AM You –:–
03:20 3:20 AM
Georgia Standard Time · UTC+4
☀️ 07:16 · 🌙 18:17
02:20 2:20 AM
Eastern European Summer Time · UTC+3
☀️ 07:49 · 🌙 18:52
·
−1 h
Kastoria is 1 h behind Tbilisi.
When you, Tbilisi and Kastoria are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇪 Tbilisi
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
🇬🇷 Kastoria
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 | 🇬🇪 Tbilisi | 🇬🇷 Kastoria |
|---|---|---|
| Local time | 03:20 | 02:20 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | Eastern European Summer Time |
| UTC offset | UTC+4 | UTC+3 |
| Offset from Tbilisi | — | −1 h |
| IANA zone | Asia/Tbilisi | Europe/Athens |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 07:16 | 07:49 |
| Sunset | 18:17 | 18:52 |
| Daylight | 11 h | 11 h 3 min |
| People on this clock | 1,241,700 | 13,387 |
Compare Tbilisi with another city
More comparisons with Tbilisi: the time zones next to it and the far side of the clock.
Big time differences
Tbilisi and Kastoria: common questions
How many hours behind Tbilisi is Kastoria?
The clocks in Kastoria are 1 hour behind those in Tbilisi (UTC+3 and UTC+4).
If it is 9:00 AM in Tbilisi, what time is it in Kastoria?
At 9:00 AM in Tbilisi, clocks in Kastoria show 8:00 AM.
What time is it in Kastoria when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 5:00 PM in Kastoria.
Is there a time when both Tbilisi and Kastoria are at work?
Yes: from 10:00 AM to 6:00 PM in Tbilisi (9:00 AM to 5:00 PM in Kastoria), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Kastoria?
Until 1:00 AM in Tbilisi it is still the previous day in Kastoria. The other way round, from 11:00 PM in Kastoria it is already the next day in Tbilisi.
Does the time difference between Tbilisi and Kastoria change?
Yes. The clocks change only in Kastoria. From October 25, 2026, Kastoria will be 2 hours behind Tbilisi.
