Vitamin D

The sun, month by month

Sunrise and sunset in Bogota in January

On January 1 in Bogota the sun rises at 06:04 and sets at 17:56; on day 31 it rises at 06:12 and sets at 18:07. Over the month the day grows 4 minutes longer.

Sunrise06:09
Sunset18:02
Golden hour17:32–18:02
Day length11 h 52 min

Day by day

All times are local to Bogota. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
105:4206:0417:5618:1811 h 51 min
205:4206:0517:5618:1911 h 51 min
305:4306:0517:5718:1911 h 51 min
405:4306:0617:5718:1911 h 51 min
505:4406:0617:5718:2011 h 51 min
605:4406:0617:5818:2011 h 52 min
705:4406:0717:5818:2111 h 52 min
805:4506:0717:5918:2111 h 52 min
905:4506:0717:5918:2211 h 52 min
1005:4506:0817:6018:2211 h 52 min
1105:4606:0818:0018:2311 h 52 min
1205:4606:0818:0118:2311 h 52 min
1305:4706:0918:0118:2311 h 52 min
1405:4706:0918:0118:2411 h 52 min
1505:4706:0918:0218:2411 h 52 min
1605:4706:1018:0218:2411 h 53 min
1705:4806:1018:0318:2511 h 53 min
1805:4806:1018:0318:2511 h 53 min
1905:4806:1018:0318:2611 h 53 min
2005:4906:1118:0418:2611 h 53 min
2105:4906:1118:0418:2611 h 53 min
2205:4906:1118:0518:2711 h 53 min
2305:4906:1118:0518:2711 h 54 min
2405:5006:1118:0518:2711 h 54 min
2505:5006:1218:0618:2711 h 54 min
2605:5006:1218:0618:2811 h 54 min
2705:5006:1218:0618:2811 h 54 min
2805:5006:1218:0618:2811 h 54 min
2905:5006:1218:0718:2911 h 55 min
3005:5006:1218:0718:2911 h 55 min
3105:5106:1218:0718:2911 h 55 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in January?

In January, the typical synthesis window in Bogota runs from 09:00 to 17:00: with medium skin and a t-shirt, ~4 min at the best moment is enough.

See the Bogota vitamin D guide