Time in Buenos Aires
The current offset in Buenos Aires is UTC-3, on the America/Argentina/Buenos_Aires zone. Its clocks never change, so that offset holds all year.
Buenos Aires, Argentina
Zone facts
- IANA zone
- America/Argentina/Buenos_Aires
- Abbreviation
- —
- Standard offset
- UTC-3
- Daylight offset
- —
- Country
- Argentina (AR)
- Coordinates
- -34.60, -58.38
Daylight saving time
This city does not observe daylight saving time. Its offset from UTC is the same on every day of the year.
Sunrise and sunset
Computed from the city’s latitude and longitude with the NOAA solar position algorithm — no API, no network call.
- Sunrise
- 07:27
- Sunset
- 18:27
- Daylight
- 11 hours
Against the major hubs
Common questions
- What time zone is Buenos Aires in?
- Buenos Aires uses the America/Argentina/Buenos_Aires time zone, currently UTC-3. Use the IANA identifier rather than the abbreviation in code — abbreviations are ambiguous, and this one may mean something else somewhere else.
- Does Buenos Aires observe daylight saving time?
- No. Buenos Aires keeps UTC-3 all year round, so its offset from UTC never changes.
- What is the difference between Buenos Aires and UTC?
- UTC-3 as of the last rebuild. That figure is constant, because the city does not change its clocks.
- When does the sun rise and set in Buenos Aires?
- On the day of the last rebuild, sunrise was 07:27 and sunset 18:27 local time, giving 11 hours of daylight. These are computed from the city’s latitude and longitude, not fetched from anywhere.