Tbilisi to Oeiras: time difference
Oeiras 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 07:59 7:59 AM Oeiras 04:59 4:59 AM You –:–
07:59 7:59 AM
Georgia Standard Time · UTC+4
☀️ 07:18 · 🌙 18:15
04:59 4:59 AM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:55
·
−3 h
Oeiras is 3 h behind Tbilisi.
When you, Tbilisi and Oeiras 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
🇵🇹 Oeiras
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
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Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇵🇹 Oeiras |
|---|---|---|
| Local time | 07:59 | 04:59 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Georgia Standard Time | Western European Summer Time |
| UTC offset | UTC+4 | UTC+1 |
| Offset from Tbilisi | — | −3 h |
| IANA zone | Asia/Tbilisi | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:18 | 07:51 |
| Sunset | 18:15 | 18:55 |
| Daylight | 10 h 58 min | 11 h 4 min |
| People on this clock | 1,241,700 | 171,767 |
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 Oeiras: common questions
What is the time difference between Tbilisi and Oeiras?
Oeiras is 3 hours behind: it uses UTC+1, while Tbilisi is on UTC+4.
If it is 9:00 AM in Tbilisi, what time is it in Oeiras?
At 9:00 AM in Tbilisi, clocks in Oeiras show 6:00 AM.
What time is it in Oeiras when it is 6:00 PM in Tbilisi?
When it is 6:00 PM in Tbilisi, it is 3:00 PM in Oeiras.
Is there a time when both Tbilisi and Oeiras are at work?
Yes: from 12:00 PM to 6:00 PM in Tbilisi (9:00 AM to 3:00 PM in Oeiras), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Oeiras compared with Tbilisi?
The new day starts in Oeiras later: until 3:00 AM in Tbilisi, it is still the previous day there. From 9:00 PM in Oeiras, Tbilisi is already on the next day.
Does the time gap between Tbilisi and Oeiras change during the year?
Yes – daylight saving time is used in Oeiras but not in Tbilisi. From October 25, 2026, Oeiras will be 4 hours behind Tbilisi.
