Tbilisi to Portsmouth, OH: time difference
Portsmouth, OH 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 03:33 3:33 AM Portsmouth, OH 19:33 7:33 PM You –:–
03:33 3:33 AM
Georgia Standard Time · UTC+4
☀️ 07:20 · 🌙 18:12
19:33 7:33 PM
Eastern Daylight Time · UTC-4
☀️ 07:47 · 🌙 18:48
·
−8 h
Portsmouth, OH is 8 h behind Tbilisi.
When you, Tbilisi and Portsmouth, OH 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, OH
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
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Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇺🇸 Portsmouth, OH |
|---|---|---|
| Local time | 03:33 | 19:33 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 2026 |
| Time zone | Georgia Standard Time | Eastern Daylight Time |
| UTC offset | UTC+4 | UTC-4 |
| Offset from Tbilisi | — | −8 h |
| IANA zone | Asia/Tbilisi | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:20 | 07:47 |
| Sunset | 18:12 | 18:48 |
| Daylight | 10 h 52 min | 11 h 1 min |
| People on this clock | 1,241,700 | 95,535 |
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, OH: common questions
How far behind Tbilisi is Portsmouth, OH?
Portsmouth is 8 hours behind Tbilisi: UTC−4 against UTC+4.
What time is it in Portsmouth, OH, at the start of the working day in Tbilisi?
The working day in Tbilisi starts at 9:00 AM; in Portsmouth it is 1:00 AM at that moment.
What time is it in Portsmouth, OH, when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 10:00 AM in Portsmouth.
When do working hours in Tbilisi and in Portsmouth, OH, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 5:00 PM to 6:00 PM in Tbilisi, which is 9:00 AM to 10:00 AM in Portsmouth.
When is it still the previous day in Portsmouth, OH?
Until 8:00 AM in Tbilisi it is still the previous day in Portsmouth. The other way round, from 4:00 PM in Portsmouth it is already the next day in Tbilisi.
Does the time difference between Tbilisi and Portsmouth, OH, change?
Yes. The clocks change only in Portsmouth. From November 1, 2026, Portsmouth will be 9 hours behind Tbilisi.
