day_of_week

Calculates the day of the week given month, day, and year (Gregorian calendar).

Prototype

	function day_of_week (
		year   : integer,  
		month  : integer,  
		day    : integer   
	)

	return_val [dimsizes(year)] :  integer

Arguments

A multi-dimensional integer array or scalar value representing years. Values must be >= 0.

An integer array of the same size as year representing months of the year. Values must be 1 to 12.

An integer array of the same size as year representing days of the month. Values must be 1 to 31.

Return value

A integer array of the same size as year with values between 0 and 6, where 0=Sunday, 1=Monday, ..., 6=Saturday.

Description

Calculates the day of the week given month, day, and year. Gregorian calendar only.

In V6.1.0. this function was upgraded to recognize missing values.

See Also

day_of_year, days_in_month, day_of_week, monthday, isleapyear

Examples

Example 1

dow = day_of_week((/1996,1990/),(/3,3/),(/1,1/))
; dow = (/5,4/)