Vienna
Vitamin D from the sun in Vienna
7 months of sun
In Vienna you can synthesize vitamin D from March to September.
From October to February synthesis isn't possible — this is when a supplement can help.
Vienna: we'll tell you the days you can make vitamin D.
Loading notifications…Today's sun in Vienna
Today's sunrise, sunset, golden hour and day length.
Year-round profile in Vienna
Daily hours with enough sun to synthesize vitamin D across the year.
Seasonal windows
- March: between 11:00 and 14:00, about 17 min for 1000 IU.
- June: between 09:00 and 16:00, about 8 min for 1000 IU.
- September: between 10:00 and 14:00, about 14 min for 1000 IU.
- December: synthesis isn't possible.
Estimated for Fitzpatrick type III skin, arms and face exposed, clear sky.
When to supplement in Vienna
During the months without solar synthesis, vitamin D comes only from food or a supplement. It is usually taken as D3, often with magnesium — which the body needs to activate it — and vitamin K (as K2), which contributes to the maintenance of normal bones.
More about supplementsSunrise and sunset by month in Vienna
How sunrise, sunset and day length change over the year.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| 07:41 | 16:27 | 8 h 45 min | |
| 07:05 | 17:13 | 10 h 08 min | |
| 06:12 | 17:57 | 11 h 45 min | |
| 06:07 | 19:43 | 13 h 36 min | |
| 05:16 | 20:26 | 15 h 10 min | |
| 04:53 | 20:56 | 16 h 03 min | |
| 05:09 | 20:51 | 15 h 41 min | |
| 05:50 | 20:08 | 14 h 18 min | |
| 06:34 | 19:04 | 12 h 30 min | |
| 07:18 | 18:01 | 10 h 43 min | |
| 07:05 | 16:14 | 9 h 09 min | |
| 07:40 | 16:01 | 8 h 22 min |
Approximate values for mid-month (the 15th).
Frequently asked questions about vitamin D in Vienna
- Can I get vitamin D from the sun in winter in Vienna?
- In Vienna you can synthesize vitamin D from March to September.
- How many minutes of sun do I need in Vienna?
- In summer, about 17 minutes with arms and face exposed is enough for 1000 IU (Fitzpatrick type III skin, clear sky).
- What time does the sun rise and set in Vienna?
- It shifts with the seasons: in June the sun rises around 04:53 and sets around 20:56; in December it rises around 07:40 and sets around 16:01.
- What is the longest day of the year in Vienna?
- Longest day: June, with about 16 h of daylight. Shortest day: December, with about 8 h.
- When is golden hour in Vienna?
- It's roughly the last hour before sunset: in June it starts around 20:07 and in December around 15:07.