July 30, 2026 · Buenos Aires, Argentina
Capital13,076,300 people
Sunset in Buenos Aires today is at 18:11. Day length is 10h 20m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Buenos Aires's coordinates and updated daily.
Buenos Aires lies at 35°S. In Buenos Aires, day length ranges from 9h 50m in winter to 14h 28m in summer — a swing of about 4h 38m.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Buenos Aires.
The longest day in Buenos Aires is around 14h 28m (around December 21). The shortest is around 9h 50m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 20:10 | 05:56 | 14h 14m |
| February | 19:50 | 06:28 | 13h 22m |
| March | 19:15 | 06:53 | 12h 22m |
| April | 18:32 | 07:17 | 11h 16m |
| May | 18:01 | 07:40 | 10h 21m |
| June | 17:50 | 07:59 | 9h 51m |
| July | 18:01 | 07:59 | 10h 2m |
| August | 18:23 | 07:36 | 10h 47m |
| September | 18:45 | 06:55 | 11h 49m |
| October | 19:07 | 06:13 | 12h 54m |
| November | 19:36 | 05:42 | 13h 54m |
| December | 20:02 | 05:36 | 14h 27m |