Geddy: Vitamin D Sun Tracker — ASO

By Tagir Aiupov on AppTrack Ninja.

Safe UV dose & D3 blood levels

Today's vitamin D window: when it opens, how many minutes to stay out, and an alert that stops you before you burn. WHY THE SUN'S ANGLE, NOT JUST THE UV INDEX Most sun apps show you a UV index and stop there. A UV index cannot tell you whether the sun is making any vitamin D at all. Below about 45 degrees of elevation the atmosphere absorbs most of the UVB before it reaches your skin, and synthesis collapses. Geddy computes the sun's altitude for your coordinates, so it can say the window is open, that it opens at 10:40, or that at your latitude in January it is not coming at all. HOW LONG, A…

Categories: Weather, Health & Fitness

Keyword visibility, ranked search terms and daily position movement for Geddy: Vitamin D Sun Tracker.