Sunrise and sunset
Sunrise and sunset in Buenos Aires
Wednesday 9 september 2026 · Buenos Aires, Argentina
Sunrise
07:01
Sunset
18:40
- Day length: 11 hours and 38 minutes
- Solar noon: 12:51
Twilight
Civil
You can still read outdoors without artificial light.
- Begins
- 06:36
- Ends
- 19:05
Nautical
The sea horizon is still visible.
- Begins
- 06:07
- Ends
- 19:34
Astronomical
The sky is fully dark: stargazing begins.
- Begins
- 05:38
- Ends
- 20:03
2026 solar calendar
Sunrise and sunset on the 1st and 15th of each month.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 1 | 05:44 | 20:09 | 14 hours and 26 minutes |
| 15 | 05:56 | 20:09 | 14 hours and 13 minutes |
| February 1 | 06:13 | 20:00 | 13 hours and 47 minutes |
| 15 | 06:27 | 19:47 | 13 hours and 20 minutes |
| March 1 | 06:40 | 19:31 | 12 hours and 51 minutes |
| 15 | 06:52 | 19:12 | 12 hours and 20 minutes |
| April 1 | 07:05 | 18:49 | 11 hours and 43 minutes |
| 15 | 07:16 | 18:30 | 11 hours and 14 minutes |
| May 1 | 07:29 | 18:12 | 10 hours and 43 minutes |
| 15 | 07:39 | 17:59 | 10 hours and 20 minutes |
| June 1 | 07:51 | 17:50 | 9 hours and 59 minutes |
| 15 | 07:58 | 17:49 | 9 hours and 51 minutes |
| July 1 | 08:01 | 17:53 | 9 hours and 52 minutes |
| 15 | 07:58 | 18:00 | 10 hours and 2 minutes |
| August 1 | 07:47 | 18:12 | 10 hours and 25 minutes |
| 15 | 07:33 | 18:22 | 10 hours and 49 minutes |
| September 1 | 07:12 | 18:34 | 11 hours and 22 minutes |
| 15 | 06:53 | 18:44 | 11 hours and 51 minutes |
| October 1 | 06:30 | 18:55 | 12 hours and 25 minutes |
| 15 | 06:11 | 19:07 | 12 hours and 55 minutes |
| November 1 | 05:52 | 19:22 | 13 hours and 30 minutes |
| 15 | 05:40 | 19:35 | 13 hours and 55 minutes |
| December 1 | 05:33 | 19:50 | 14 hours and 17 minutes |
| 15 | 05:34 | 20:02 | 14 hours and 27 minutes |
January: on the first of the month in Buenos Aires the sun rises at 05:44 and sets at 20:09, for 14 hours and 26 minutes of daylight.
February: on the first of the month in Buenos Aires the sun rises at 06:13 and sets at 20:00, for 13 hours and 47 minutes of daylight.
March: on the first of the month in Buenos Aires the sun rises at 06:40 and sets at 19:31, for 12 hours and 51 minutes of daylight.
April: on the first of the month in Buenos Aires the sun rises at 07:05 and sets at 18:49, for 11 hours and 43 minutes of daylight.
May: on the first of the month in Buenos Aires the sun rises at 07:29 and sets at 18:12, for 10 hours and 43 minutes of daylight.
June: on the first of the month in Buenos Aires the sun rises at 07:51 and sets at 17:50, for 9 hours and 59 minutes of daylight.
July: on the first of the month in Buenos Aires the sun rises at 08:01 and sets at 17:53, for 9 hours and 52 minutes of daylight.
August: on the first of the month in Buenos Aires the sun rises at 07:47 and sets at 18:12, for 10 hours and 25 minutes of daylight.
September: on the first of the month in Buenos Aires the sun rises at 07:12 and sets at 18:34, for 11 hours and 22 minutes of daylight.
October: on the first of the month in Buenos Aires the sun rises at 06:30 and sets at 18:55, for 12 hours and 25 minutes of daylight.
November: on the first of the month in Buenos Aires the sun rises at 05:52 and sets at 19:22, for 13 hours and 30 minutes of daylight.
December: on the first of the month in Buenos Aires the sun rises at 05:33 and sets at 19:50, for 14 hours and 17 minutes of daylight.
Times are computed with the NOAA solar algorithm from the city coordinates and shown in its local time zone.
Frequently asked questions
What time does the sun set in Buenos Aires?
Today the sun sets at 18:40 in Buenos Aires, Argentina, after 11 hours and 38 minutes of daylight that began with sunrise at 07:01. Darkness does not fall at once: civil twilight lasts until 19:05, and until then you can still read outdoors without artificial light. Sunset shifts by a minute or two each day because of the tilt of the Earth's axis: this page has the calendar for the whole year, with sunrise and sunset on the 1st and 15th of each month. Times are computed with the NOAA solar algorithm from the city coordinates and shown in its local time zone.
What time does the sun rise in Buenos Aires?
Today sunrise in Buenos Aires, Argentina is at 07:01, and daylight lasts 11 hours and 38 minutes until sunset at 18:40. The day actually begins earlier: civil twilight starts at 06:36, when the sky brightens while the sun is still below the horizon. Solar noon, when the sun is at its highest, falls at 12:51. Sunrise is the moment the upper edge of the sun appears on the horizon, accounting for atmospheric refraction: the same definition used by astronomical observatories.
What is the difference between the three twilights?
The three twilights differ by how far the sun has dropped below the horizon. Civil twilight reaches 6 degrees: in Buenos Aires it ends at 19:05 today, the hour when you can no longer read outdoors without artificial light. Nautical twilight extends to 12 degrees, today until 19:34: while it lasts, the sea horizon stays visible and sextant navigation works. Astronomical twilight ends at 18 degrees, today at 20:03: from then the sky is fully dark and even faint stars appear. In the morning the sequence runs in reverse, starting at 05:38.
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