MACROMEDIA COLDFUSION MX 61-CFML Reference page 452

Day
Description
Determines the day of the month, in a date.
Returns
The ordinal for the day of the month, ranging from 1 to 31.
Category
Date and time functions
Function syntax
Day("date")
See also
DayOfWeek, DayOfWeekAsString, DayOfYear, DaysInMonth, DaysInYear,
FirstDayOfMonth
Parameters
Parameter
date
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
for example: #Day(CreateDate(2001, 3, 3))#
Example
<h3>Day Example</h3>
<cfif IsDefined("FORM.year")>
<p>More information about your date:
<cfset yourDate = CreateDate(FORM.year, FORM.month, FORM.day)>
<cfoutput>
<p>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>
452 Chapter 3: ColdFusion Functions
Description
Date/time object, in the range 100 AD–9999 AD.
CreateDate function or Now function as the date parameter of this function;