Adobe ColdFusion 8

DaysInMonth

Description

Determines the number of days in a month.

Returns

The number of days in the month in Date.

Category

Date and time functions

Function syntax

DaysInMonth("date")

See also

Day, DayOfWeek, DayOfWeekAsString, DayOfYear, DaysInYear, FirstDayOfMonth

Parameters

Parameter

Description
date

Date/time object, in the range 100 AD-9999 AD.

Usage

When passing a date/time object as a string, you must enclose it in quotation marks. Otherwise, it is interpreted as a numeric representation of a date/time object.

Note: You can pass the Now function or the CreateDate function as the date parameter of this function; for example: #DaysInMonth(CreateDate(2001, 3, 3))#

Example

<h3>DaysInMonth Example</h3>
<cfif IsDefined("FORM.year")>
    More information about your date:
    <cfset yourDate = CreateDate(FORM.year, FORM.month, FORM.day)>
    <cfoutput>
    <p>Your date, #DateFormat(yourDate)#.
    <br>It is #DayofWeekAsString(DayOfWeek(yourDate))#, day 
         #DayOfWeek(yourDate)# in the week.
    <br>This is day #Day(YourDate)# in the month of
         #MonthAsString(Month(yourDate))#, which has
     #DaysInMonth(yourDate)# days.
    <br>We are in week #Week(yourDate)# of #Year(YourDate)# 
     (day #DayofYear(yourDate)# of #DaysinYear(yourDate)#). 
    <br><cfif IsLeapYear(Year(yourDate))>This is a leap year
        <cfelse>This is not a leap year</cfif>
    </cfoutput>
</cfif>