Buenos Aires to Leiria: time difference
Leiria is 4 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 01:03 1:03 AM Leiria 05:03 5:03 AM You –:–
01:03 1:03 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
05:03 5:03 AM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:52
·
+4 h
Leiria is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Leiria are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇵🇹 Leiria
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 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇵🇹 Leiria |
|---|---|---|
| Local time | 01:03 | 05:03 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Western European Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:07 | 07:50 |
| Sunset | 19:11 | 18:52 |
| Daylight | 13 h 4 min | 11 h 2 min |
| People on this clock | 2,891,082 | 128,616 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Leiria: common questions
What is the time difference between Buenos Aires and Leiria?
Leiria is 4 hours ahead: it uses UTC+1, while Buenos Aires is on UTC−3.
What time is it in Leiria at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Leiria it is 1:00 PM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Leiria?
At 6:00 PM in Buenos Aires, clocks in Leiria show 10:00 PM.
When is a good time to call Leiria from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Leiria – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Leiria compared with Buenos Aires?
The new day starts in Leiria earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Leiria, Buenos Aires is still on the previous day.
Is the time difference between Buenos Aires and Leiria the same all year?
No. Only Leiria switches to summer time, so the gap changes twice a year. From October 25, 2026, Leiria will be 3 hours ahead of Buenos Aires.
