4 ms·
The angle of the sun is vital, which is affected by time of day, time of year, and your latitude. This is a chart showing time of day and year on the UV index,
by drivers99 3y ago
The angle of the sun is vital, which is affected by time of day, time of year, and your latitude. This is a chart showing time of day and year on the UV index, for a given latitude (NYC so about 41°N) https://www.grassrootshealth.net/wp-content/uploads/2019/05/NYC-UV-Chart.pdf https://www.grassrootshealth.net/wp-content/uploads/2019/05/... (PDF)
- andreasscherman 3y agoWrote below as well, but seems relevant: https://whencanigetvitamind.com https://whencanigetvitamind.com
- YellOh 3y agoThe rule of thumb I've heard is that you make vitamin D iff your shadow's height <= your height.