Vitamin D

The sun, month by month

Sunrise and sunset in Prague in August

On August 1 in Prague the sun rises at 05:31 and sets at 20:45; on day 31 it rises at 06:18 and sets at 19:47. Over the month the day gets 105 minutes shorter.

Sunrise05:53
Sunset20:20
Golden hour19:35–20:20
Day length14 h 28 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
104:5305:3120:4521:2415 h 14 min
204:5405:3320:4321:2215 h 11 min
304:5605:3420:4221:2015 h 07 min
404:5805:3620:4021:1815 h 04 min
504:6005:3720:3921:1615 h 01 min
605:0105:3920:3721:1414 h 58 min
705:0305:4020:3521:1314 h 55 min
805:0505:4220:3321:1114 h 51 min
905:0605:4320:3121:0914 h 48 min
1005:0805:4520:3021:0714 h 45 min
1105:1005:4620:2821:0514 h 41 min
1205:1205:4820:2621:0214 h 38 min
1305:1305:5020:2421:0014 h 35 min
1405:1505:5120:2220:5814 h 31 min
1505:1705:5320:2020:5614 h 28 min
1605:1805:5420:1820:5414 h 24 min
1705:2005:5620:1620:5214 h 21 min
1805:2205:5720:1420:5014 h 17 min
1905:2405:5920:1220:4814 h 13 min
2005:2506:0020:1020:4514 h 10 min
2105:2706:0220:0820:4314 h 06 min
2205:2906:0420:0620:4114 h 02 min
2305:3006:0520:0420:3913 h 59 min
2405:3206:0720:0220:3613 h 55 min
2505:3406:0819:6020:3413 h 51 min
2605:3506:1019:5820:3213 h 48 min
2705:3706:1119:5520:3013 h 44 min
2805:3906:1319:5320:2713 h 40 min
2905:4106:1419:5120:2513 h 37 min
3005:4206:1619:4920:2313 h 33 min
3105:4406:1819:4720:2013 h 29 min

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

What about vitamin D in August?

In August, the typical synthesis window in Prague runs from 10:00 to 17:00: with medium skin and a t-shirt, ~9 min at the best moment is enough.

See the Prague vitamin D guide