Oslo
Vitamin D from the sun in Oslo
4 months of sun
In Oslo you can synthesize vitamin D from May to August.
From September to April synthesis isn't possible — this is when a supplement can help.
Oslo: we'll tell you the days you can make vitamin D.
Loading notifications…Today's sun in Oslo
Today's sunrise, sunset, golden hour and day length.
Year-round profile in Oslo
Daily hours with enough sun to synthesize vitamin D across the year.
Seasonal windows
- March: synthesis isn't possible.
- June: between 10:00 and 16:00, about 12 min for 1000 IU.
- September: synthesis isn't possible.
- December: synthesis isn't possible.
Estimated for Fitzpatrick type III skin, arms and face exposed, clear sky.
When to supplement in Oslo
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 Oslo
How sunrise, sunset and day length change over the year.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| 09:06 | 15:47 | 6 h 41 min | |
| 08:00 | 17:03 | 9 h 03 min | |
| 06:39 | 18:14 | 11 h 34 min | |
| 06:04 | 20:31 | 14 h 27 min | |
| 04:41 | 21:46 | 17 h 05 min | |
| 03:54 | 22:40 | 18 h 46 min | |
| 04:21 | 22:24 | 18 h 03 min | |
| 05:33 | 21:09 | 15 h 36 min | |
| 06:50 | 19:33 | 12 h 44 min | |
| 08:03 | 18:01 | 9 h 58 min | |
| 08:21 | 15:44 | 7 h 23 min | |
| 09:15 | 15:11 | 5 h 56 min |
Approximate values for mid-month (the 15th).
Frequently asked questions about vitamin D in Oslo
- Can I get vitamin D from the sun in winter in Oslo?
- In Oslo you can synthesize vitamin D from May to August.
- How many minutes of sun do I need in Oslo?
- In summer, about 12 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 Oslo?
- It shifts with the seasons: in June the sun rises around 03:54 and sets around 22:40; in December it rises around 09:15 and sets around 15:11.
- What is the longest day of the year in Oslo?
- Longest day: June, with about 19 h of daylight. Shortest day: December, with about 6 h.
- When is golden hour in Oslo?
- It's roughly the last hour before sunset: in June it starts around 21:22 and in December around 13:08.