Time Difference Between Buenos Aires and San Francisco

Buenos Aires is normally 5 hours ahead of San Francisco.

--:--:--
UTC-3
--:--:--
UTC-8

This page shows the live time difference between Buenos Aires, Argentina and San Francisco, United States. Buenos Aires uses the America/Argentina/Buenos_Aires time zone (UTC-3 standard) and San Francisco uses America/Los_Angeles (UTC-8 standard), so Buenos Aires is normally 5 hours ahead of San Francisco. Because San Francisco observes daylight saving time, the exact gap can shift by an hour during the year. The clocks above update live, so you always see the current difference, which is handy for scheduling calls, meetings and travel between the two cities.

Buenos Aires

Country
Argentina
Time zone
America/Argentina/Buenos_Aires
Standard offset
UTC-3
Daylight saving
Not observed
Current offset
…

San Francisco

Country
United States
Time zone
America/Los_Angeles
Standard offset
UTC-8
Daylight saving
Observed
Current offset
…

Best time to schedule a meeting

Buenos Aires and San Francisco overlap for 3 hours of the working day: 14:00-17:00 in Buenos Aires, which is 09:00-12:00 in San Francisco. That window is the realistic slot for a live call.

Overlap
3 hours
Window in Buenos Aires
14:00 - 17:00
Window in San Francisco
09:00 - 12:00

Based on a 9:00 to 17:00 working day in each city. The window above updates live, so it already accounts for daylight saving in either city.

Related time differences

Compare any other two places on the time difference hub, or open the interactive world time zone map to pin cities and compare live.

Frequently asked questions

What is the time difference between Buenos Aires and San Francisco?

Buenos Aires is normally 5 hours ahead of San Francisco (Buenos Aires is UTC-3, San Francisco is UTC-8). Daylight saving time can change this by an hour, so the live clocks above always show the current difference.

Is Buenos Aires ahead of or behind San Francisco?

Buenos Aires is ahead of San Francisco by 5 hours under standard time.

Do Buenos Aires and San Francisco use daylight saving time?

Buenos Aires stays on the same offset all year; San Francisco observes daylight saving time.

What is the best time to schedule a meeting between Buenos Aires and San Francisco?

Their working hours overlap for 3 hours: 14:00 to 17:00 in Buenos Aires, which is 09:00 to 12:00 in San Francisco. That is the best window for a live call.