Costa Rica
Time now in Buenos Aires
Monday, 24 August 2026
Sunrise 05:25Sunset 05:46Time zone UTC −6
Time zone
America/Costa_Rica
UTC offset
UTC −6
Daylight saving
Not in effect
Population
21,063
Sunrise
05:25
Sunset
05:46
Day length
12h 22m
Coordinates
9.20, -83.28
Time difference from Buenos Aires
Hours ahead (right) or behind (left) Buenos Aires right now.
Buenos Aires on the map
About the time in Buenos Aires
Buenos Aires sits at latitude 9.20, in the tropical band, so day length here swings only a little between midwinter and midsummer — today's 12h 22m is one point on that curve, not a fixed value.
Around 21,063 people live in Buenos Aires, and all of them keep the same civil time, so the reading above applies to the whole urban area — not just the city centre.
The zone identifier America/Costa_Rica is the value you want in code, calendars and travel systems. Abbreviations change with the season, but America/Costa_Rica keeps pointing at Costa Rica time whatever the date, which is why every timestamp on this page is built from it.
Frequently asked questions about time in Buenos Aires
- Which time zone is Buenos Aires in?
- Buenos Aires uses America/Costa_Rica, currently UTC −6.
- What are normal business hours in Buenos Aires in UTC?
- A 09:00–17:00 working day in Buenos Aires runs from 15:00–23:00 UTC today.
- Is the clock on this page accurate?
- It is synchronised with our server rather than your device, then formatted for America/Costa_Rica, so a drifting device clock does not affect what you see.
- What time is it in Buenos Aires right now?
- The live clock above shows the current time in Buenos Aires, updating every second from America/Costa_Rica (UTC −6).
705 places in Costa Rica
Other cities in the same country, sized by population.