CFLib.org – Common Function Library Project

Description:
This function accepts the day of the year (One way to get that is with the DayOfYear function) and the year. It returns the date object for the given day of the year.

Return Values:
Returns a date.

Example:

<cfoutput>
#dayOfYearReverse(dayOfYear(now()))#
</cfoutput>

Parameters:

Full UDF Source:

<!---
 This is the opposite of CFs DayOfYear function.
 v2 bug fix by David Levin (dave@angrysam.com)
 v3 fix by Christopher Jordan
 
 @param currentDayOfYear      Numerical day of the year. (Required)
 @param currentYear      The year. Defaults to this year. (Optional)
 @return Returns a date. 
 @author Jeff Houser (jeff@farcryfly.com) 
 @version 3, September 7, 2007 
--->
<cffunction name="dayOfYearReverse" returntype="date" hint="Accepts the day of Year (Integer) and year in question, and returns the date" output="false">
        <cfargument name="currentDayOfYear" type="numeric" required="yes">
        <cfargument name="currentYear" type="numeric" default="#year(now())#" required="no">
        <cfreturn dateAdd("d",arguments.currentDayOfYear, createDate(arguments.currentyear-1,"12","31" ))>
</cffunction>