Argentina · 34.61°S, 58.38°W
Daylight hours in Buenos Aires
Buenos Aires gets 14h 29m of daylight on its longest day, around December 21, and 9h 50m on its shortest, around June 21: a swing of 4h 39m across the year. Its summer is in December.
Today in Buenos Aires
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Buenos Aires observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day14h 29mDecember 21 · 05:38–20:07
Shortest day9h 50mJune 21 · 08:01–17:51
March equinox12h 09mMarch 20 · 06:57–19:06
Fastest change−2.2 min/dayaround March 15
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 05:45 | 20:10 | 14h 26m |
| February 1 | 06:14 | 20:01 | 13h 47m |
| March 1 | 06:42 | 19:32 | 12h 50m |
| April 1 | 07:07 | 18:50 | 11h 43m |
| May 1 | 07:30 | 18:13 | 10h 43m |
| June 1 | 07:53 | 17:52 | 9h 59m |
| July 1 | 08:02 | 17:54 | 9h 52m |
| August 1 | 07:48 | 18:13 | 10h 25m |
| September 1 | 07:14 | 18:36 | 11h 22m |
| October 1 | 06:31 | 18:57 | 12h 26m |
| November 1 | 05:53 | 19:23 | 13h 30m |
| December 1 | 05:35 | 19:52 | 14h 17m |
Cities with similar daylight
These cities sit within 3° of Buenos Aires’s latitude in the same hemisphere, so their days grow and shrink almost in step:
Its mirror images are across the equator at a similar distance from it. Their longest days come when Buenos Aires’s are shortest:
More: all cities between 30°–40° South · compare Buenos Aires with any city