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daysInMonth

Determines the number of days in a month.

daysInMonth(date)
returns numeric

Member Function Syntax

date.daysInMonth()

Argument Reference

Name Type Required Default Description
date date Yes   Date or datetime object (100AD-9999AD).
When passing a datetime object as a string, enclose it in quotation marks, otherwise, it is interpreted as a numeric representation of a datetime object.

Determines the number of days in a month

Uses the daysInMonth function to determine the number of days in a month

<cfset Date = CreateDate(2012, 12, 30)>
<cfset result = daysInMonth(Date)>
<cfoutput>#result#</cfoutput>

Expected Result: 31

Simple example

To determine the number of days in a month

<cfset Date = CreateDate(2012, 02, 03)>
<cfset result = daysInMonth(Date)>
<cfoutput>#result#</cfoutput>

Expected Result: 29