Buenos Aires to Sao Joao da Madeira: time difference
Sao Joao da Madeira 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.
🇵🇹 Sao Joao da Madeira, Portugal
04
- Western European Summer Time
- UTC+1
- Night
☀️ 07:48 · 🌙 18:52 · 11 h 4 min
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 16:21 4:21 PM Sao Joao da Madeira 20:21 8:21 PM You –:–
16:21 4:21 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
20:21 8:21 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:52
·
+4 h
Sao Joao da Madeira is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Sao Joao da Madeira 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
🇵🇹 Sao Joao da Madeira
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 | 🇵🇹 Sao Joao da Madeira |
|---|---|---|
| Local time | 16:21 | 20:21 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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 | 06:10 | 07:48 |
| Sunset | 19:10 | 18:52 |
| Daylight | 13 h | 11 h 4 min |
| People on this clock | 2,891,082 | 22,144 |
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 Sao Joao da Madeira: common questions
How far ahead of Buenos Aires is Sao Joao da Madeira?
Sao Joao da Madeira is 4 hours ahead of Buenos Aires: UTC+1 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Sao Joao da Madeira?
At 9:00 AM in Buenos Aires, clocks in Sao Joao da Madeira show 1:00 PM.
What time is it in Sao Joao da Madeira at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Sao Joao da Madeira it is 10:00 PM at that moment.
When is a good time to call Sao Joao da Madeira from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Sao Joao da Madeira – both places are within working hours (9:00 AM–6:00 PM).
From what time in Buenos Aires is it tomorrow in Sao Joao da Madeira?
Once it is 8:00 PM in Buenos Aires, the date in Sao Joao da Madeira has already changed. Until 4:00 AM in Sao Joao da Madeira, it is still the previous day in Buenos Aires.
Does the time difference between Buenos Aires and Sao Joao da Madeira change?
Yes. The clocks change only in Sao Joao da Madeira. From October 25, 2026, Sao Joao da Madeira will be 3 hours ahead of Buenos Aires.
