DayOfYear

Description

Determines the day of the year, in a date.

Return value

The ordinal value of day of the year, as an integer.

Syntax

DayOfYear("date")

Parameters

Parameter Description

date
Date/time object, in the range 100 AD-9999 AD. See "How ColdFusion processes two-digit year values".

Parameter	Description
date	Date/time object, in the range 100 AD-9999 AD. See "How ColdFusion processes two-digit year values".

Usage

This function accounts for leap years.

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 CreateDate function or Now function as the date parameter of this function; for example, #DayOfYear(CreateDate(2001, 3, 3))#

Example

<h3>Day7OfYear 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>