negative 10
24
19
D is the total number of days in a year. Default is 365.
20
negative 10
400
21
A is the inclination of Earth's axis with respect to the plane of Earth's orbit. Default is 23.44 degrees.
22
negative 85
85
23
S is the offset of the start of the year: the number of days after the winter solstice that the year begins. Default is 11 days.
24
negative 10
365
25
T is a "truncation" function: its outputs lie between %u20131 and 1.
26
27
equals
28
Acknowledgements
29
32
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