Buenos Aires
Exact time synced with atomic clocks (IANA + NTP)
Sunday, April 5, 2026
Argentina · America/Argentina/Buenos_Aires · GMT-3
Buenos Aires and San José Time Difference
Buenos Aires is 3h ahead of San José
13:23:33
San José
Exact time synced with atomic clocks (IANA + NTP)
Sunday, April 5, 2026
Costa Rica · America/Costa_Rica · CST
Best time for work calls
If you are scheduling a call between Buenos Aires and San José, the overlap window is limited to typical business hours. When it is 12 pm in Buenos Aires it is 9 am in San José — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Buenos Aires (2 pm in San José). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Buenos Aires and San José have a comfortable window for a family call — no awkward alarms required. Buenos Aires is 3 hours ahead of San José, 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 3 pm to 7 pm in San José, 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
Labour Day
Día del Trabajador
May Revolution
Día de la Revolución de Mayo
Anniversary of the Passing of General Martín Miguel de Güemes
Paso a la Inmortalidad del General Martín Miguel de Güemes
Via Nager.Date
🌅 Dawn6:43:53 AM
☀️ Sunrise7:09:05 AM
🌞 Solar Noon12:57:21 PM
🌇 Golden Hour6:11:58 PM
🌆 Sunset6:45:37 PM
🌃 Dusk7:10:49 PM
Day length11:36:31
Data via sunrisesunset.io
Condition⛅ Partly cloudy
Temperature18°C
Feels like16°C
Humidity54%
Wind7 mph E
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.2 days
Moonrise20:31
Moonset10:42
New87% illuminatedFull
San José
Juan Santamaría Day
Día de Juan Santamaría
Labour Day
Día Internacional del Trabajo
Annexation of the Party of Nicoya to Costa Rica
Anexión del Partido de Nicoya a Costa Rica
Via Nager.Date
🌅 Dawn5:06:32 AM
☀️ Sunrise5:27:40 AM
🌞 Solar Noon11:40:10 AM
🌇 Golden Hour5:24:46 PM
🌆 Sunset5:52:39 PM
🌃 Dusk6:13:48 PM
Day length12:24:59
Data via sunrisesunset.io
Condition🌤️ Mainly clear
Temperature27°C
Feels like31°C
Humidity55%
Wind7 mph E
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.2 days
Moonrise20:05
Moonset07:56
New87% illuminatedFull