3.5.1.2.4 Day

Description

Returns the day number of a given date.

See this note.

Syntax

int Day(double d[, int n])

Parameters

d

Date Value of Julian days which can include Time

n

Optional parameter. There are two options:
 1 (default) Returns Day of Month : 1 to 31 Returns Day of Year : 1 to 366

Return

If it is a Julian days date, return the real value of day in a date(Julian days) value, 1 to 31 or 1 to 366.

If it is not a Julian days date, return -1.

Example

int aa = Day(2454827.5982639, 2);
aa = ;//Should return the day of this time, 362.