Paris
Vitamin D from the sun in Paris
6 months of sun
In Paris you can synthesize vitamin D from April to September.
From October to March synthesis isn't possible — this is when a supplement can help.
Paris: we'll tell you the days you can make vitamin D.
Loading notifications…Today's sun in Paris
Today's sunrise, sunset, golden hour and day length.
Year-round profile in Paris
Daily hours with enough sun to synthesize vitamin D across the year.
Seasonal windows
- March: between 13:00 and 14:00, about 17 min for 1000 IU.
- June: between 10:00 and 17:00, about 8 min for 1000 IU.
- September: between 12:00 and 15:00, about 15 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 Paris
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 Paris
How sunrise, sunset and day length change over the year.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| 08:40 | 17:20 | 8 h 40 min | |
| 08:02 | 18:08 | 10 h 05 min | |
| 07:08 | 18:52 | 11 h 44 min | |
| 07:02 | 20:40 | 13 h 38 min | |
| 06:09 | 21:24 | 15 h 15 min | |
| 05:46 | 21:55 | 16 h 09 min | |
| 06:03 | 21:50 | 15 h 47 min | |
| 06:44 | 21:05 | 14 h 21 min | |
| 07:30 | 20:00 | 12 h 30 min | |
| 08:15 | 18:56 | 10 h 41 min | |
| 08:04 | 17:08 | 9 h 04 min | |
| 08:38 | 16:54 | 8 h 16 min |
Approximate values for mid-month (the 15th).
Frequently asked questions about vitamin D in Paris
- Can I get vitamin D from the sun in winter in Paris?
- In Paris you can synthesize vitamin D from April to September.
- How many minutes of sun do I need in Paris?
- 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 Paris?
- It shifts with the seasons: in June the sun rises around 05:46 and sets around 21:55; in December it rises around 08:38 and sets around 16:54.
- What is the longest day of the year in Paris?
- Longest day: June, with about 16 h of daylight. Shortest day: December, with about 8 h.
- When is golden hour in Paris?
- It's roughly the last hour before sunset: in June it starts around 21:05 and in December around 15:59.