Buenos Aires
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
Argentina · America/Argentina/Buenos_Aires · GMT-3
Buenos Aires and San Francisco Time Difference
Buenos Aires is 4h ahead of San Francisco
San Francisco
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
United States · America/Los_Angeles · PDT
Best time for work calls
If you are scheduling a call between Buenos Aires and San Francisco, the overlap window is limited to typical business hours. When it is 1 pm in Buenos Aires it is 9 am in San Francisco — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Buenos Aires (1 pm in San Francisco). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Buenos Aires and San Francisco have a comfortable window for a family call — no awkward alarms required. Buenos Aires is 4 hours ahead of San Francisco, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Buenos Aires — that lands at 2 pm to 6 pm in San Francisco, 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
San Francisco
Memorial Day
May 25in 5dJuneteenth National Independence Day
Jun 19in 30dIndependence Day
Jul 3in 44d
Daylight Cycle
🌅 Dawn5:26:47 AM
☀️ Sunrise5:56:39 AM
🌞 Solar Noon1:07:38 PM
🌇 Golden Hour7:40:53 PM
🌆 Sunset8:18:38 PM
🌃 Dusk8:48:30 PM
Day length14:21:59
Data via sunrisesunset.io
Current Weather
Condition☀️ Clear sky
Temperature18°C
Feels like15°C
Humidity54%
Wind13 mph W
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌒 Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise10:43
Moonset00:50