Tbilisi to Portsmouth: time difference
Portsmouth is 3 h behind Tbilisi. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tbilisi 03:32 3:32 AM Portsmouth 00:32 12:32 AM You –:–
03:32 3:32 AM
Georgia Standard Time · UTC+4
☀️ 07:16 · 🌙 18:17
00:32 12:32 AM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:10
·
−3 h
Portsmouth is 3 h behind Tbilisi.
When you, Tbilisi and Portsmouth 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
🇬🇧 Portsmouth
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇬🇧 Portsmouth |
|---|---|---|
| Local time | 03:32 | 00:32 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | British Summer Time |
| UTC offset | UTC+4 | UTC+1 |
| Offset from Tbilisi | — | −3 h |
| IANA zone | Asia/Tbilisi | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:16 | 07:31 |
| Sunset | 18:17 | 18:10 |
| Daylight | 11 h | 10 h 39 min |
| People on this clock | 1,241,700 | 198,974 |
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 Portsmouth: common questions
How many hours behind Tbilisi is Portsmouth?
The clocks in Portsmouth are 3 hours behind those in Tbilisi (UTC+1 and UTC+4).
What time is it in Portsmouth at the start of the working day in Tbilisi?
The working day in Tbilisi starts at 9:00 AM; in Portsmouth it is 6:00 AM at that moment.
If it is 6:00 PM in Tbilisi, what time is it in Portsmouth?
At 6:00 PM in Tbilisi, clocks in Portsmouth show 3:00 PM.
When is a good time to call Portsmouth from Tbilisi?
Between 12:00 PM and 6:00 PM in Tbilisi – that is 9:00 AM to 3:00 PM in Portsmouth – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Portsmouth?
Until 3:00 AM in Tbilisi it is still the previous day in Portsmouth. The other way round, from 9:00 PM in Portsmouth it is already the next day in Tbilisi.
Is the time difference between Tbilisi and Portsmouth the same all year?
No. Only Portsmouth switches to summer time, so the gap changes twice a year. From October 25, 2026, Portsmouth will be 4 hours behind Tbilisi.
