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How much sun exposure to get based on latitude, time of year, and skin color

Answered on August 19, 2014
Created July 06, 2012 at 2:54 AM

I've heard that one of the Vitamin D books, written by a dermatologist, has a chart of how much sun exposure to get at different times of the year that's based on your latitude and skin color. Does anyone know which that book is? Or, is there a chart or program on the web somewhere that gives that information?

61f9349ad28e3c42d1cec58ba4825a7d

(10480)

on July 06, 2012
at 06:22 PM

You are very welcome! Now I just have to go get my four minutes' worth... :)

35b2cb4d450e5288895c255dfdfff35d

(5828)

on July 06, 2012
at 04:23 PM

That's a nice one. Thanks!

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2 Answers

2
61f9349ad28e3c42d1cec58ba4825a7d

(10480)

on July 06, 2012
at 03:12 AM

Like this one? http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html

It is from the Norwegian Institute for Air Research. It even includes sky and surface conditions, time of day, altitude if preferred.

35b2cb4d450e5288895c255dfdfff35d

(5828)

on July 06, 2012
at 04:23 PM

That's a nice one. Thanks!

61f9349ad28e3c42d1cec58ba4825a7d

(10480)

on July 06, 2012
at 06:22 PM

You are very welcome! Now I just have to go get my four minutes' worth... :)

0
13624d294e54a5faea05a825ec090044

on July 10, 2012
at 11:43 PM

How Do you get it to take West longitudes? Just add 180?

ETA: For South Latitudes and West longitudes use negative numbers

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