Name

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DAY_NUMBER

Purpose

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This functions returns the day number for a given date or time, t. The
    day number is the integral number of days between t and January 1 of
    the same year. The day number of January 1 is 1.

Category

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Date and time calculations.

Calling Sequence

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daynum = DAY_NUMBER(t)

Input

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t : CDATE or JTIME structure containing a valid date or time

Output

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    Integer containing the day number.

Keywords

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None.

Modification History

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    K. Bowman, 2004-03-30.