Tbilisi to Portsmouth: time difference
Portsmouth is 8 h behind 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 13:56 1:56 PM Portsmouth 05:56 5:56 AM You –:–
13:56 1:56 PM
Georgia Standard Time · UTC+4
☀️ 07:07 · 🌙 18:30
05:56 5:56 AM
Atlantic Standard Time · UTC-4
☀️ 05:57 · 🌙 17:50
·
−8 h
Portsmouth is 8 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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇩🇲 Portsmouth |
|---|---|---|
| Local time | 13:56 | 05:56 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Georgia Standard Time | Atlantic Standard Time |
| UTC offset | UTC+4 | UTC-4 |
| Offset from Tbilisi | — | −8 h |
| IANA zone | Asia/Tbilisi | America/Dominica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:07 | 05:57 |
| Sunset | 18:30 | 17:50 |
| Daylight | 11 h 22 min | 11 h 52 min |
| People on this clock | 1,241,700 | 3,633 |
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 far behind Tbilisi is Portsmouth?
Portsmouth is 8 hours behind Tbilisi: UTC−4 against UTC+4.
If it is 9:00 AM in Tbilisi, what time is it in Portsmouth?
At 9:00 AM in Tbilisi, clocks in Portsmouth show 1:00 AM.
What time is it in Portsmouth when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 10:00 AM in Portsmouth.
When is a good time to call Portsmouth from Tbilisi?
Between 5:00 PM and 6:00 PM in Tbilisi – that is 9:00 AM to 10:00 AM in Portsmouth – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Tbilisi is it still yesterday in Portsmouth?
Before 8:00 AM in Tbilisi, the date in Portsmouth has not changed yet. From 4:00 PM in Portsmouth, it is already the next day in Tbilisi.
Does the time difference between Tbilisi and Portsmouth change?
No. Neither place uses daylight saving time, so the difference stays 8 hours all year.
