Vitamin D

The sun, month by month

Sunrise and sunset in Vienna in March

On March 1 in Vienna the sun rises at 06:40 and sets at 17:35; on day 31 it rises at 06:38 and sets at 19:20. Over the month the day grows 107 minutes longer.

In Vienna (48.2° latitude), March 2026 has 31 days whose sun rises at 06:40 and sets at 17:35 on the 1st, and at 06:38 and 19:20 on the 31th. Mid-month the day lasts 11 h 45 min and the sun reaches 39° above the horizon. Vitamin D synthesis is possible between 12:00 and 13:00, which is when the UV index reaches at least 3: at the best moment of the day about 19 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.

Sunrise06:12
Sunset17:57
Golden hour17:15–17:57
Day length11 h 45 min

Where does the sun rise and set in Vienna in March?

Where it risesEast93°
Where it setsWest267°

Mid-March in Vienna: the sun rises in the east — a bearing of 93°, measured from true north — and sets in the west, at 267°. That is 3° south of due east at sunrise, and the same 3° south of due west at sunset. From the 1st to the last day of the month both points shift 18° 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 Vienna. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
106:0906:4017:3518:0710 h 55 min
206:0706:3817:3718:0810 h 59 min
306:0506:3617:3818:1011 h 02 min
406:0306:3417:4018:1111 h 06 min
506:0106:3217:4118:1311 h 09 min
605:5906:3017:4318:1411 h 13 min
705:5706:2817:4418:1611 h 16 min
805:5506:2617:4618:1711 h 20 min
905:5306:2417:4718:1911 h 23 min
1005:5106:2217:4918:2011 h 27 min
1105:4906:2017:5118:2211 h 30 min
1205:4706:1817:5218:2311 h 34 min
1305:4506:1617:5418:2511 h 38 min
1405:4306:1417:5518:2611 h 41 min
1505:4106:1217:5718:2811 h 45 min
1605:3906:1017:5818:2911 h 48 min
1705:3706:0818:0018:3111 h 52 min
1805:3406:0618:0118:3211 h 56 min
1905:3206:0318:0318:3411 h 59 min
2005:3006:0118:0418:3512 h 03 min
2105:2805:5918:0618:3712 h 06 min
2205:2605:5718:0718:3812 h 10 min
2305:2405:5518:0918:4012 h 14 min
2405:2205:5318:1018:4112 h 17 min
2505:1905:5118:1218:4312 h 21 min
2605:1705:4918:1318:4412 h 24 min
2705:1505:4618:1418:4612 h 28 min
2805:1305:4418:1618:4712 h 32 min
2906:1106:4219:1719:4912 h 35 min
3006:0906:4019:1919:5012 h 39 min
3106:0606:3819:2019:5212 h 42 min

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

What about vitamin D in March?

In March, the typical synthesis window in Vienna runs from 12:00 to 13:00: with medium skin and a t-shirt, ~19 min at the best moment is enough.

See the Vienna vitamin D guide

Common questions about the sun in Vienna in March

Where does the sun set in Vienna in March?
Mid-March in Vienna: the sun sets in the west, a bearing of 267° measured from true north, which is 3° south of due west. It rises in the east, at 93°. Over the month both points shift 18° north.
How much daylight does Vienna gain in March?
Over March the day gets 107 minutes longer in Vienna: on March 1 the sun rises at 06:40 and sets at 17:35, and on day 31 it rises at 06:38 and sets at 19:20.
How many hours of daylight does Vienna get in March?
In mid-March the day lasts 11 h 45 min in Vienna, from sunrise at 06:12 to sunset at 17:57. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Vienna in March?
In mid-March the sky starts to get light at 05:41 in Vienna, when the sun is 6° below the horizon, and the sun itself does not rise until 06:12. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Vienna in March?
It's not the same time as sunset. In mid-March in Vienna the sun sets at 17:57, but there is still light: civil twilight does not end until 18:28, 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 Vienna in March?
In mid-March, between 12:00 and 13:00: that is the stretch of the day when the UV index reaches 3 in Vienna, the minimum for the skin to make vitamin D. At the best moment of the day about 19 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.