Meeting time

Best time to meet: San Francisco and Buenos Aires

San Francisco is 5 hours behind Buenos Aires right now. Their working days overlap for 3 hours: 9 AM to 12 PM in San Francisco, which is 2 PM to 5 PM in Buenos Aires. The easiest time to meet is 10 AM in San Francisco (3 PM in Buenos Aires).

Tue 7:59 AMSan Francisco · Pacific Standard TimeTue 12:59 PMBuenos Aires · Argentina Standard Time
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Hour by hour

With the clocks as they are on November 10, 2026, San Francisco time on the left. A working day here is 9 AM to 5 PM.

San FranciscoBuenos Aires
6 AM11 AMBuenos Aires at work
7 AM12 PMBuenos Aires at work
8 AM1 PMBuenos Aires at work
9 AM2 PMBoth at work
10 AM3 PMEasiest time
11 AM4 PMBoth at work
12 PM5 PMSan Francisco at work
1 PM6 PMSan Francisco at work
2 PM7 PMSan Francisco at work
3 PM8 PMSan Francisco at work
4 PM9 PMSan Francisco at work
5 PM10 PMBoth off
6 PM11 PMBoth off
7 PM12 AM next dayBoth off
8 PM1 AM next dayBoth off
9 PM2 AM next dayBoth off
10 PM3 AM next dayBoth off

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesSan Francisco isBoth at work (San Francisco time)Easiest (San Francisco / Buenos Aires)
Now to March 14, 20275 hours behind9 AM–12 PM (3 hours)10 AM / 3 PM
March 14, 2027 to November 7, 2027
clocks in San Francisco go forward		4 hours behind9 AM–1 PM (4 hours)10 AM / 2 PM
November 7, 2027 onward
clocks in San Francisco go back		5 hours behind9 AM–12 PM (3 hours)10 AM / 3 PM

Buenos Aires keeps the same clock as São Paulo.

Questions people ask

What time is it in Buenos Aires when it is 9 AM in San Francisco?
2 PM in Buenos Aires, while San Francisco is 5 hours behind.
When is the best time for a call between San Francisco and Buenos Aires?
10 AM in San Francisco, which is 3 PM in Buenos Aires. Both cities are at work from 9 AM to 12 PM San Francisco time.
Does the time difference between San Francisco and Buenos Aires change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and San Francisco5 hours of shared working day · meet at 1:30 PM New York timeLondon and San FranciscoNo shared working hours · fairest at 4:30 PM London timeSan Francisco and BangaloreNo shared working hours · fairest at 6 PM San Francisco timeSan Francisco and SingaporeNo shared working hours · fairest at 4:30 PM San Francisco timeSan Francisco and Sydney3 hours of shared working day · meet at 3 PM San Francisco timeSan Francisco and Tokyo1 hour of shared working day · meet at 4 PM San Francisco timeSan Francisco and BerlinNo shared working hours · fairest at 8 AM San Francisco timeSan Francisco and Chicago6 hours of shared working day · meet at 11:30 AM San Francisco timeSan Francisco and DubaiNo shared working hours · fairest at 6:30 AM San Francisco timeSan Francisco and ParisNo shared working hours · fairest at 8 AM San Francisco timeSan Francisco and Toronto5 hours of shared working day · meet at 10:30 AM San Francisco timeSan Francisco and MumbaiNo shared working hours · fairest at 6 PM San Francisco time

Every city from San Francisco · Every city from Buenos Aires · All cities · Plan across more than two cities

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