Buenos Aires to Sines: time difference
Sines 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.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 22:54 10:54 PM Sines 02:54 2:54 AM You –:–
22:54 10:54 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
02:54 2:54 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:53
·
+4 h
Sines is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Sines 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
🇵🇹 Sines
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 | 🇵🇹 Sines |
|---|---|---|
| Local time | 22:54 | 02:54 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 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 | 07:49 |
| Sunset | 19:11 | 18:53 |
| Daylight | 13 h 4 min | 11 h 4 min |
| People on this clock | 2,891,082 | 14,200 |
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 Sines: common questions
How many hours ahead of Buenos Aires is Sines?
The clocks in Sines are 4 hours ahead of those in Buenos Aires (UTC+1 and UTC−3).
What time is it in Sines when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 1:00 PM in Sines.
What time is it in Sines when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 10:00 PM in Sines.
When is a good time to call Sines from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Sines – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sines compared with Buenos Aires?
The new day starts in Sines earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Sines, Buenos Aires is still on the previous day.
Does the time difference between Buenos Aires and Sines change?
Yes. The clocks change only in Sines. From October 25, 2026, Sines will be 3 hours ahead of Buenos Aires.
