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>

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