ColdFusion 9.0 Resources

DayOfYear

Description

Determines the day of the year, in a date.

Returns

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

Function syntax

DayOfYear("date")

Parameters

Parameter	Description
`date`	Date/time object, in the range 100 AD–9999 AD.

Usage

This function accounts for leap years.

When passing a date/time object as a string, 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>