CFLib.org – Common Function Library Project

Description:
Returns the number of days left before Christmas day of the current year. If Christmas has passed, returns the number of days till next year's Christmas.

Return Values:
Returns a number.

Example:

<cfoutput>Are you Ready?  ONLY #DaysTillChristmas()# days till Christmas!</cfoutput>

Parameters:

No arguments.

Full UDF Source:

<cfscript>
/**
 * Returns an integer of the days left before Christmas.
 * Version 2 by Ken McCafferty
 * 
 * @return Returns a number. 
 * @author Larry Juncker (&#108;&#106;&#117;&#110;&#99;&#107;&#101;&#114;&#64;&#97;&#108;&#106;&#99;&#111;&#109;&#112;&#115;&#101;&#114;&#118;&#46;&#99;&#111;&#109;) 
 * @version 2, October 4, 2002 
 */
function DaysTillChristmas() {
	var ChristmasDayOfYearThisYear =
DayofYear(CreateDate(Year(Now()),12,25));
	var ChristmasDayOfYearNextYear =
DayofYear(CreateDate(Year(Now()) + 1,12,25));
	var TodaysDayOfYear = DayofYear(Now());
	var DaysThisYear=DaysInYear(Now());
	  //Christmas coming
	if (ChristmasDayOfYearThisYear gt TodaysDayOfYear){
	   return ChristmasDayOfYearThisYear -
TodaysDayOfYear;
	}
	 //Christmas has passed
	if (TodaysDayOfYear gt ChristmasDayOfYearThisYear){
	 return DaysThisYear-TodaysDayOfYear +
ChristmasDayOfYearNextYear;
	}
		
	return 0;
}
</cfscript>