Vitamin D

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.

DayDawnSunriseSunsetDuskDay length
107:0307:2918:1318:3910 h 44 min
207:0307:2918:1218:3810 h 42 min
307:0407:3018:1018:3710 h 40 min
407:0507:3118:0918:3610 h 38 min
507:0607:3218:0918:3510 h 37 min
607:0607:3318:0818:3410 h 35 min
707:0707:3318:0718:3310 h 33 min
807:0807:3418:0618:3210 h 31 min
907:0807:3518:0518:3110 h 30 min
1007:0907:3618:0418:3010 h 28 min
1107:1007:3718:0318:3010 h 26 min
1207:1107:3718:0218:2910 h 25 min
1307:1107:3818:0118:2810 h 23 min
1407:1207:3918:0118:2710 h 22 min
1507:1307:4017:6018:2710 h 20 min
1607:1407:4017:5918:2610 h 19 min
1707:1407:4117:5818:2510 h 17 min
1807:1507:4217:5818:2510 h 16 min
1907:1607:4317:5718:2410 h 14 min
2007:1607:4317:5618:2410 h 13 min
2107:1707:4417:5618:2310 h 12 min
2207:1807:4517:5518:2210 h 10 min
2307:1807:4617:5518:2210 h 09 min
2407:1907:4617:5418:2110 h 08 min
2507:2007:4717:5418:2110 h 07 min
2607:2007:4817:5318:2110 h 06 min
2707:2107:4817:5318:2010 h 04 min
2807:2207:4917:5218:2010 h 03 min
2907:2207:5017:5218:1910 h 02 min
3007:2307:5017:5218:1910 h 01 min
3107:2307:5117:5118:1910 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