caldays
Sunrise & sunset · Buenos Aires

Sunset today in Buenos Aires

Saturday, August 29, 2026 · Argentina

🌅
Sunrise
07:17
🌇
Sunset
18:32
☀️
Solar noon
12:54
⏱️
Day length
11h 14m

This week · Buenos Aires

Date
Sunrise
Sunset
Length
Fri, Aug 28
07:18
18:31
11h 12m
Sat, Aug 29TODAY
07:17
18:32
11h 14m
Sun, Aug 30
07:16
18:32
11h 16m
Mon, Aug 31
07:15
18:33
11h 18m
Tue, Sep 1
07:13
18:34
11h 20m
Wed, Sep 2
07:12
18:34
11h 22m
Thu, Sep 3
07:10
18:35
11h 24m

Monthly variation throughout 2026

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sunrise
05:55
06:27
06:52
07:16
07:39
07:58
07:58
07:34
06:54
06:12
05:41
05:35
Sunset
20:09
19:48
19:13
18:31
18:00
17:49
18:00
18:22
18:43
19:06
19:35
20:02
Length
14h 13m
13h 21m
12h 21m
11h 15m
10h 20m
9h 50m
10h 1m
10h 47m
11h 49m
12h 53m
13h 54m
14h 27m

About sunrise and sunset times in Buenos Aires

Sunrise and sunset times in Buenos Aires are computed astronomically from latitude -34.61° and longitude -58.38°, shown in ART (UTC-3) local time using the standard NOAA solar position algorithm.

The day length on 8/29/2026 in Buenos Aires is 11h 14m. This varies throughout the year — typically longest around the summer solstice (June 21 in the Northern Hemisphere, December 21 in the Southern) and shortest around the winter solstice.

Sunrise and sunset are defined as the moment the upper edge of the sun touches the horizon, accounting for atmospheric refraction. "Civil twilight" begins ~30 minutes before sunrise and ends ~30 minutes after sunset.