Buenos Aires
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
Argentina · America/Argentina/Buenos_Aires · GMT-3
Buenos Aires and São Paulo Time Difference
Same time
São Paulo
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
Brazil · America/Sao_Paulo · GMT-3
Best time for work calls
If you are scheduling a call between Buenos Aires and São Paulo, the overlap window is limited to typical business hours. When it is 9 am in Buenos Aires it is 9 am in São Paulo — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Buenos Aires (5 pm in São Paulo). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Buenos Aires and São Paulo have a comfortable window for a family call — no awkward alarms required. Buenos Aires and São Paulo are in the same time zone, which gives you 3 hours of genuine overlap when both sides are free. Aim for between 6 pm and 9 pm in Buenos Aires — that lands at 6 pm to 9 pm in São Paulo, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Buenos Aires
May Revolution
May 25in 5dAnniversary of the Passing of General Martín Miguel de Güemes
Jun 15in 26dGeneral Manuel Belgrano Memorial Day
Jun 20in 31d
Daylight Cycle
🌅 Dawn7:16:58 AM
☀️ Sunrise7:44:02 AM
🌞 Solar Noon12:51:29 PM
🌇 Golden Hour5:21:50 PM
🌆 Sunset5:58:55 PM
🌃 Dusk6:25:59 PM
Day length10:14:53
Data via sunrisesunset.io
Current Weather
Condition⛅ Partly cloudy
Temperature11°C
Feels like9°C
Humidity65%
Wind4 mph SE
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌒 Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise12:35
Moonset21:48
São Paulo
Corpus Christi
Jun 4in 15dConstitutionalist Revolution of 1932
Jul 9in 50dIndependence Day
Sep 7in 110d
Daylight Cycle
🌅 Dawn6:08:36 AM
☀️ Sunrise6:32:35 AM
🌞 Solar Noon12:04:29 PM
🌇 Golden Hour5:04:04 PM
🌆 Sunset5:36:23 PM
🌃 Dusk6:00:22 PM
Day length11:03:48
Data via sunrisesunset.io
Current Weather
Condition🌙 Mainly clear
Temperature15°C
Feels like16°C
Humidity97%
Wind3 mph SE
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌒 Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise11:22
Moonset21:27