Tbilisi to Tsukuba: time difference
Tsukuba 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 19:55 7:55 PM Tsukuba 00:55 12:55 AM You –:–
19:55 7:55 PM
Georgia Standard Time · UTC+4
☀️ 07:16 · 🌙 18:17
00:55 12:55 AM
Japan Standard Time · UTC+9
☀️ 05:50 · 🌙 17:01
·
+5 h
Tsukuba is 5 h ahead of Tbilisi.
When you, Tbilisi and Tsukuba 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
🇯🇵 Tsukuba
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
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇯🇵 Tsukuba |
|---|---|---|
| Local time | 19:55 | 00:55 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 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 | 07:16 | 05:50 |
| Sunset | 18:17 | 17:01 |
| Daylight | 11 h | 11 h 11 min |
| People on this clock | 1,241,700 | 230,398 |
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 Tsukuba: common questions
How many hours ahead of Tbilisi is Tsukuba?
The clocks in Tsukuba are 5 hours ahead of those in Tbilisi (UTC+9 and UTC+4).
If it is 9:00 AM in Tbilisi, what time is it in Tsukuba?
At 9:00 AM in Tbilisi, clocks in Tsukuba show 2:00 PM.
What time is it in Tsukuba when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 11:00 PM in Tsukuba.
When is a good time to call Tsukuba from Tbilisi?
Between 9:00 AM and 1:00 PM in Tbilisi – that is 2:00 PM to 6:00 PM in Tsukuba – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Tsukuba compared with Tbilisi?
The new day starts in Tsukuba earlier: at 7:00 PM in Tbilisi it is already midnight there. Until 5:00 AM in Tsukuba, Tbilisi is still on the previous day.
Does the time gap between Tbilisi and Tsukuba change during the year?
No, the clocks change neither in Tbilisi nor in Tsukuba, so the gap is 5 hours all year round.
