Now the Solar declination is more than halfway from its Yul
(Winter-Solstice) value to its Ostara (Spring-Equinox) value.
And, in mid-latitudes (mid-lat U.S., and similar latitudes in Europe), the
daily insolation (ground-warming sunlight received by the ground) has
likewise passed the halfway
Dan--
Evidently those two sources you named got their result from the same other
source, which had made an error....or else one of those two sources got
their result from the other.
If the two years are separated by a leapyear (but 1930 and 1931 aren't),
then there could be a 3-day
Hello all,
While doing some research for a paper, a friend of mine noticed peculiar
differences regarding sunrise times for his city (Alba Iulia, Romania).
They occur both on TimeAndDate.com as well as suncalc.org and -so far I can
tell- only in Romanian cities (Berlin and Vienna are okay).
I
