Tbilisi to Porto Alegre: time difference
Porto Alegre is 4 h behind Tbilisi. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇸🇹 Porto Alegre, Sao Tome and Principe
43
- Greenwich Mean Time
- UTC+0
- Daytime
☀️ 05:18 · 🌙 17:25 · 12 h 7 min
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tbilisi 15:38 3:38 PM Porto Alegre 11:38 11:38 AM You –:–
15:38 3:38 PM
Georgia Standard Time · UTC+4
☀️ 07:07 · 🌙 18:30
11:38 11:38 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:25
·
−4 h
Porto Alegre is 4 h behind Tbilisi.
When you, Tbilisi and Porto Alegre 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
🇸🇹 Porto Alegre
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 16 4 PM 17 5 PM 18 6 PM 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇸🇹 Porto Alegre |
|---|---|---|
| Local time | 15:38 | 11:38 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Georgia Standard Time | Greenwich Mean Time |
| UTC offset | UTC+4 | UTC+0 |
| Offset from Tbilisi | — | −4 h |
| IANA zone | Asia/Tbilisi | Africa/Sao Tome |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:07 | 05:18 |
| Sunset | 18:30 | 17:25 |
| Daylight | 11 h 22 min | 12 h 7 min |
| People on this clock | 1,241,700 | 795 |
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 Porto Alegre: common questions
How many hours behind Tbilisi is Porto Alegre?
The clocks in Porto Alegre are 4 hours behind those in Tbilisi (UTC+0 and UTC+4).
If it is 9:00 AM in Tbilisi, what time is it in Porto Alegre?
At 9:00 AM in Tbilisi, clocks in Porto Alegre show 5:00 AM.
What time is it in Porto Alegre when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 2:00 PM in Porto Alegre.
When do working hours in Tbilisi and in Porto Alegre overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Tbilisi, which is 9:00 AM to 2:00 PM in Porto Alegre.
Until what time in Tbilisi is it still yesterday in Porto Alegre?
Before 4:00 AM in Tbilisi, the date in Porto Alegre has not changed yet. From 8:00 PM in Porto Alegre, it is already the next day in Tbilisi.
Is the time difference between Tbilisi and Porto Alegre the same all year?
Yes. Neither Tbilisi nor Porto Alegre switches to summer time, so the gap is always 4 hours.
