for winter solstice;
maximum angle of the sun ~ 23.5 degrees north of the equator
Length of day ~ 8 hours and 46 minutes
spring equinox;
maximum angle of the sun ~ 51 degrees
length of day ~ 12 hours
summer solstice;
maximum angle of the sun ~ 23.5 degrees
length of day ~ 14 hours 51 minutes
fall equinox
maximum angle of the sun ~ 51 degrees
length of day ~ 12 hours
these are for the latitude 0