JD2DN:
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Compute the day number from Julian date.
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Form:
dayNumber = JD2DN( jD )
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Inputs
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jd (1,1) Julian date
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Outputs
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dayNumber (1,1) Day number
year (1,1) Year
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Children:
Common: Time/Date2DN
Common: Time/Date2JD
Common: Time/JD2Date