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.

In Sydney (-33.9° latitude), January 2026 has 31 days whose sun rises at 05:48 and sets at 20:10 on the 1st, and at 06:15 and 20:03 on the 31th. Mid-month the day lasts 14 h 10 min and the sun reaches 77° above the horizon. Vitamin D synthesis is possible between 09:00 and 18:00, which is when the UV index reaches at least 3: at the best moment of the day about 5 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.

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

Where does the sun rise and set in Sydney in January?

Where it risesSoutheast117°
Where it setsSouthwest243°

Mid-January in Sydney: the sun rises in the southeast — a bearing of 117°, measured from true north — and sets in the southwest, at 243°. That is 27° south of due east at sunrise, and the same 27° south of due west at sunset. From the 1st to the last day of the month both points shift 7° north.

Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.

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

Common questions about the sun in Sydney in January

Where does the sun set in Sydney in January?
Mid-January in Sydney: the sun sets in the southwest, a bearing of 243° measured from true north, which is 27° south of due west. It rises in the southeast, at 117°. Over the month both points shift 7° north.
How much daylight does Sydney lose in January?
Over January the day gets 34 minutes shorter in Sydney: on January 1 the sun rises at 05:48 and sets at 20:10, and on day 31 it rises at 06:15 and sets at 20:03.
How many hours of daylight does Sydney get in January?
In mid-January the day lasts 14 h 10 min in Sydney, from sunrise at 05:59 to sunset at 20:10. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Sydney in January?
In mid-January the sky starts to get light at 05:31 in Sydney, when the sun is 6° below the horizon, and the sun itself does not rise until 05:59. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Sydney in January?
It's not the same time as sunset. In mid-January in Sydney the sun sets at 20:10, but there is still light: civil twilight does not end until 20:38, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
What time of day can you make vitamin D in Sydney in January?
In mid-January, between 09:00 and 18:00: that is the stretch of the day when the UV index reaches 3 in Sydney, the minimum for the skin to make vitamin D. At the best moment of the day about 5 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.