Tbilisi to Koriyama: time difference
Koriyama is 5 h ahead of Tbilisi. 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.
Tbilisi 17:18 5:18 PM Koriyama 22:18 10:18 PM You –:–
17:18 5:18 PM
Georgia Standard Time · UTC+4
☀️ 07:19 · 🌙 18:14
22:18 10:18 PM
Japan Standard Time · UTC+9
☀️ 05:51 · 🌙 16:57
·
+5 h
Koriyama is 5 h ahead of Tbilisi.
When you, Tbilisi and Koriyama 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
🇯🇵 Koriyama
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 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇯🇵 Koriyama |
|---|---|---|
| Local time | 17:18 | 22:18 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Georgia Standard Time | Japan Standard Time |
| UTC offset | UTC+4 | UTC+9 |
| Offset from Tbilisi | — | +5 h |
| IANA zone | Asia/Tbilisi | Asia/Tokyo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:19 | 05:51 |
| Sunset | 18:14 | 16:57 |
| Daylight | 10 h 55 min | 11 h 6 min |
| People on this clock | 1,241,700 | 327,692 |
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 Koriyama: common questions
What is the time difference between Tbilisi and Koriyama?
Koriyama is 5 hours ahead: it uses UTC+9, while Tbilisi is on UTC+4.
What time is it in Koriyama at the start of the working day in Tbilisi?
The working day in Tbilisi starts at 9:00 AM; in Koriyama it is 2:00 PM at that moment.
What time is it in Koriyama when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 11:00 PM in Koriyama.
When do working hours in Tbilisi and in Koriyama overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:00 PM in Tbilisi, which is 2:00 PM to 6:00 PM in Koriyama.
When is it already the next day in Koriyama?
From 7:00 PM in Tbilisi it is already the next day in Koriyama. The other way round, until 5:00 AM in Koriyama it is still the previous day in Tbilisi.
Is the time difference between Tbilisi and Koriyama the same all year?
Yes. Neither Tbilisi nor Koriyama switches to summer time, so the gap is always 5 hours.
