Time zone in Buenos Aires
Buenos Aires is on Argentina Standard Time (UTC-3) all year, with no daylight saving time. Its identifier in the international time zone database is America/Argentina/Buenos_Aires: it is what your phone and computer use to show the right time there.
Argentina stays on UTC-3 all year. It last used daylight saving time in the 2008-2009 southern summer.
By the sun, noon in Buenos Aires falls at about 12:54 PM (on average over the year). The city lies at 58.38° west, and every degree of longitude shifts the sun by 4 minutes. The clock runs well ahead of the sun here, so mornings stay dark late and evenings stay light late. See the sunrise and sunset times in Buenos Aires.
Time difference with major cities
When it is 12:00 PM (noon) in Buenos Aires, it is:
| City | January | July |
|---|---|---|
| New York | 10:00 AM | 11:00 AM |
| Los Angeles | 7:00 AM | 8:00 AM |
| London | 3:00 PM | 4:00 PM |
| Paris | 4:00 PM | 5:00 PM |
| Tokyo | 12:00 AM, next day | 12:00 AM, next day |
| Sydney | 2:00 AM, next day | 1:00 AM, next day |
The gap with New York, Los Angeles, London, Paris and Sydney changes by one hour during the year: these cities use daylight saving time, Buenos Aires does not.
Best time to call Buenos Aires from New York
To reach someone at work in Buenos Aires from New York: in January, the best window is from 8:00 AM to 4:00 PM in New York, which is 10:00 AM to 6:00 PM in Buenos Aires. In July, the best window is from 8:00 AM to 5:00 PM in New York, which is 9:00 AM to 6:00 PM in Buenos Aires.
Detailed time differences: Madrid and Buenos Aires. For any other city, use the time zone converter.