Oeiras to Tbilisi: time difference
Tbilisi is 3 h ahead of Oeiras. 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.
Oeiras 03:35 3:35 AM Tbilisi 06:35 6:35 AM You –:–
03:35 3:35 AM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:55
06:35 6:35 AM
Georgia Standard Time · UTC+4
☀️ 07:18 · 🌙 18:15
·
+3 h
Tbilisi is 3 h ahead of Oeiras.
When you, Oeiras and Tbilisi are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Oeiras
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
🇬🇪 Tbilisi
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇵🇹 Oeiras | 🇬🇪 Tbilisi |
|---|---|---|
| Local time | 03:35 | 06:35 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Georgia Standard Time |
| UTC offset | UTC+1 | UTC+4 |
| Offset from Oeiras | — | +3 h |
| IANA zone | Europe/Lisbon | Asia/Tbilisi |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:51 | 07:18 |
| Sunset | 18:55 | 18:15 |
| Daylight | 11 h 4 min | 10 h 58 min |
| People on this clock | 171,767 | 1,241,700 |
Compare Oeiras with another city
More comparisons with Oeiras: the time zones next to it and the far side of the clock.
Big time differences
Oeiras and Tbilisi: common questions
How many hours ahead of Oeiras is Tbilisi?
The clocks in Tbilisi are 3 hours ahead of those in Oeiras (UTC+4 and UTC+1).
What time is it in Tbilisi at the start of the working day in Oeiras?
The working day in Oeiras starts at 9:00 AM; in Tbilisi it is 12:00 PM at that moment.
What time is it in Tbilisi at the end of the working day in Oeiras?
The working day in Oeiras ends at 6:00 PM; in Tbilisi it is 9:00 PM at that moment.
When do working hours in Oeiras and in Tbilisi overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Oeiras, which is 12:00 PM to 6:00 PM in Tbilisi.
When does the date change in Tbilisi compared with Oeiras?
The new day starts in Tbilisi earlier: at 9:00 PM in Oeiras it is already midnight there. Until 3:00 AM in Tbilisi, Oeiras is still on the previous day.
Is the time difference between Oeiras and Tbilisi the same all year?
No. Only Oeiras switches to summer time, so the gap changes twice a year. From October 25, 2026, Tbilisi will be 4 hours ahead of Oeiras.
