Los Angeles
Vitamin D from the sun in Los Angeles
11 months of sun
In Los Angeles you can synthesize vitamin D from January to November.
From December to December synthesis isn't possible — this is when a supplement can help.
Los Angeles: we'll tell you the days you can make vitamin D.
Loading notifications…Today's sun in Los Angeles
Today's sunrise, sunset, golden hour and day length.
Year-round profile in Los Angeles
Daily hours with enough sun to synthesize vitamin D across the year.
Seasonal windows
- March: between 09:00 and 16:00, about 8 min for 1000 IU.
- June: between 08:00 and 17:00, about 5 min for 1000 IU.
- September: between 09:00 and 15:00, about 7 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 Los Angeles
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 Los Angeles
How sunrise, sunset and day length change over the year.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| 06:59 | 17:06 | 10 h 07 min | |
| 06:40 | 17:35 | 10 h 55 min | |
| 07:06 | 18:59 | 11 h 53 min | |
| 06:23 | 19:23 | 13 h 00 min | |
| 05:52 | 19:47 | 13 h 55 min | |
| 05:41 | 20:05 | 14 h 25 min | |
| 05:52 | 20:05 | 14 h 13 min | |
| 06:15 | 19:39 | 13 h 25 min | |
| 06:37 | 18:57 | 12 h 20 min | |
| 07:00 | 18:16 | 11 h 16 min | |
| 06:28 | 16:48 | 10 h 20 min | |
| 06:52 | 16:46 | 9 h 54 min |
Approximate values for mid-month (the 15th).
Frequently asked questions about vitamin D in Los Angeles
- Can I get vitamin D from the sun in winter in Los Angeles?
- In Los Angeles you can synthesize vitamin D from January to November.
- How many minutes of sun do I need in Los Angeles?
- In summer, about 8 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 Los Angeles?
- It shifts with the seasons: in June the sun rises around 05:41 and sets around 20:05; in December it rises around 06:52 and sets around 16:46.
- What is the longest day of the year in Los Angeles?
- Longest day: June, with about 14 h of daylight. Shortest day: December, with about 10 h.
- When is golden hour in Los Angeles?
- It's roughly the last hour before sunset: in June it starts around 19:29 and in December around 16:07.