Path: Common/Time
% Compute the day number from the date. Uses the format from clock.
If no inputs are given it will compute the day number for the instant
of the function call.
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Form:
dn = Date2DN( datetime )
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Inputs
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datetime (1,6) [year month day hour minute seconds]
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Outputs
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dn (1,1) Day number
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References: Montenbruck, O., T.Pfleger, Astronomy on the Personal
Computer, Springer-Verlag, Berlin, 1991, p. 12.
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Common: Time/DTSToDTA Common: Time/Date2JD
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