Vitamin D Sunlight Calculator
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Approximate Latitude
Skin Tone
Very fair (Type I-II)
Medium (Type III-IV)
Dark (Type V-VI)
Season
Summer (Jun-Aug)
Spring/Fall
Winter (Dec-Feb)
Body Area Exposed
Arms & Face (~15%)
Arms, Face & Legs (~35%)
Full body (~80%)
Calculate
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Sun Time Needed
Relative UV Factor
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If Impossible:
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