Vitamin D

Auckland

Vitamin D from the sun in Auckland

10 months of sun

In Auckland you can synthesize vitamin D from August to May.

From June to July synthesis isn't possible — this is when a supplement can help.

Exact window
July 25 – May 24

Auckland: we'll tell you the days you can make vitamin D.

Loading notifications…

Today's sun in Auckland

Today's sunrise, sunset, golden hour and day length.

Year-round profile in Auckland

Daily hours with enough sun to synthesize vitamin D across the year.

JFMAMJJASOND
0 h10 h+
Daily hours with enough sun to synthesize vitamin D across the year.

Seasonal windows

  • March: between 11:00 and 17:00, about 7 min for 1000 IU.
  • June: synthesis isn't possible.
  • September: between 11:00 and 17:00, about 8 min for 1000 IU.
  • December: between 10:00 and 18:00, about 5 min for 1000 IU.

Estimated for Fitzpatrick type III skin, arms and face exposed, clear sky.

When to supplement in Auckland

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 supplements

Sunrise and sunset by month in Auckland

How sunrise, sunset and day length change over the year.

MonthSunriseSunset
06:1820:43
06:5020:21
07:1819:43
06:4517:57
07:1217:23
07:3217:11
07:3117:23
07:0317:47
06:1818:13
06:3319:39
06:0120:11
05:5720:37

Approximate values for mid-month (the 15th).

Frequently asked questions about vitamin D in Auckland

Can I get vitamin D from the sun in winter in Auckland?
In Auckland you can synthesize vitamin D from August to May.
How many minutes of sun do I need in Auckland?
In summer, about 7 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 Auckland?
It shifts with the seasons: in June the sun rises around 07:32 and sets around 17:11; in December it rises around 05:57 and sets around 20:37.
What is the longest day of the year in Auckland?
Longest day: December, with about 15 h of daylight. Shortest day: June, with about 10 h.
When is golden hour in Auckland?
It's roughly the last hour before sunset: in June it starts around 16:30 and in December around 19:58.

More about the sun, light and health in the guide