Time Difference Between Buenos Aires and San Francisco
Buenos Aires is normally 5 hours ahead of San Francisco.
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
- …
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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.