The sun, month by month
Sunrise and sunset in Buenos Aires in May
On May 1 in Buenos Aires the sun rises at 07:29 and sets at 18:13; on day 31 it rises at 07:51 and sets at 17:51. Over the month the day gets 44 minutes shorter.
Sunrise07:40
Sunset17:60
Golden hour17:23–17:60
Day length10 h 20 min
Day by day
All times are local to Buenos Aires. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 07:03 | 07:29 | 18:13 | 18:39 | 10 h 44 min |
| 2 | 07:03 | 07:29 | 18:12 | 18:38 | 10 h 42 min |
| 3 | 07:04 | 07:30 | 18:10 | 18:37 | 10 h 40 min |
| 4 | 07:05 | 07:31 | 18:09 | 18:36 | 10 h 38 min |
| 5 | 07:06 | 07:32 | 18:09 | 18:35 | 10 h 37 min |
| 6 | 07:06 | 07:33 | 18:08 | 18:34 | 10 h 35 min |
| 7 | 07:07 | 07:33 | 18:07 | 18:33 | 10 h 33 min |
| 8 | 07:08 | 07:34 | 18:06 | 18:32 | 10 h 31 min |
| 9 | 07:08 | 07:35 | 18:05 | 18:31 | 10 h 30 min |
| 10 | 07:09 | 07:36 | 18:04 | 18:30 | 10 h 28 min |
| 11 | 07:10 | 07:37 | 18:03 | 18:30 | 10 h 26 min |
| 12 | 07:11 | 07:37 | 18:02 | 18:29 | 10 h 25 min |
| 13 | 07:11 | 07:38 | 18:01 | 18:28 | 10 h 23 min |
| 14 | 07:12 | 07:39 | 18:01 | 18:27 | 10 h 22 min |
| 15 | 07:13 | 07:40 | 17:60 | 18:27 | 10 h 20 min |
| 16 | 07:14 | 07:40 | 17:59 | 18:26 | 10 h 19 min |
| 17 | 07:14 | 07:41 | 17:58 | 18:25 | 10 h 17 min |
| 18 | 07:15 | 07:42 | 17:58 | 18:25 | 10 h 16 min |
| 19 | 07:16 | 07:43 | 17:57 | 18:24 | 10 h 14 min |
| 20 | 07:16 | 07:43 | 17:56 | 18:24 | 10 h 13 min |
| 21 | 07:17 | 07:44 | 17:56 | 18:23 | 10 h 12 min |
| 22 | 07:18 | 07:45 | 17:55 | 18:22 | 10 h 10 min |
| 23 | 07:18 | 07:46 | 17:55 | 18:22 | 10 h 09 min |
| 24 | 07:19 | 07:46 | 17:54 | 18:21 | 10 h 08 min |
| 25 | 07:20 | 07:47 | 17:54 | 18:21 | 10 h 07 min |
| 26 | 07:20 | 07:48 | 17:53 | 18:21 | 10 h 06 min |
| 27 | 07:21 | 07:48 | 17:53 | 18:20 | 10 h 04 min |
| 28 | 07:22 | 07:49 | 17:52 | 18:20 | 10 h 03 min |
| 29 | 07:22 | 07:50 | 17:52 | 18:19 | 10 h 02 min |
| 30 | 07:23 | 07:50 | 17:52 | 18:19 | 10 h 01 min |
| 31 | 07:23 | 07:51 | 17:51 | 18:19 | 10 h 00 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in May?
In May, the typical synthesis window in Buenos Aires runs from 12:00 to 15:00: with medium skin and a t-shirt, ~15 min at the best moment is enough.
See the Buenos Aires vitamin D guide