Day light hours at sixty six point five degreee north
1. Daylight hours flow at 66.5 degree north latitude
24
(365, 19.54)
20 (0, 19.54)
16
12 (94, 12) (273, 12)
D
u
o
h
g
s
y
a
r
t
i
l
8
4 (183, 4.06)
0
0 73 146 219 292 365
Series of day(night and day) in a year