Vitamin D

The sun, month by month

Sunrise and sunset in Sydney in January

On January 1 in Sydney the sun rises at 05:48 and sets at 20:10; on day 31 it rises at 06:15 and sets at 20:03. Over the month the day gets 34 minutes shorter.

Sunrise05:59
Sunset20:10
Golden hour19:33–20:10
Day length14 h 10 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
105:1905:4820:1020:3914 h 22 min
205:2005:4920:1020:3914 h 21 min
305:2105:5020:1020:3914 h 20 min
405:2105:5020:1020:3914 h 20 min
505:2205:5120:1020:3914 h 19 min
605:2305:5220:1020:3914 h 18 min
705:2405:5320:1020:3914 h 18 min
805:2505:5320:1020:3914 h 17 min
905:2605:5420:1020:3914 h 16 min
1005:2605:5520:1020:3914 h 15 min
1105:2705:5620:1020:3914 h 14 min
1205:2805:5720:1020:3914 h 13 min
1305:2905:5820:1020:3814 h 12 min
1405:3005:5920:1020:3814 h 11 min
1505:3105:5920:1020:3814 h 10 min
1605:3206:0020:0920:3814 h 09 min
1705:3306:0120:0920:3714 h 08 min
1805:3406:0220:0920:3714 h 07 min
1905:3506:0320:0820:3714 h 05 min
2005:3606:0420:0820:3614 h 04 min
2105:3706:0520:0820:3614 h 03 min
2205:3806:0620:0720:3514 h 01 min
2305:3906:0720:0720:3514 h 00 min
2405:4006:0820:0720:3413 h 59 min
2505:4106:0920:0620:3413 h 57 min
2605:4206:1020:0620:3313 h 56 min
2705:4306:1120:0520:3313 h 54 min
2805:4406:1220:0520:3213 h 53 min
2905:4506:1320:0420:3113 h 51 min
3005:4606:1420:0320:3113 h 50 min
3105:4706:1520:0320:3013 h 48 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 Sydney runs from 09:00 to 18:00: with medium skin and a t-shirt, ~5 min at the best moment is enough.

See the Sydney vitamin D guide