getWeekOfMonth.cfm

<cfscript>
	public any function getWeekOfMonth(date d='#Now()#', numeric minDaysInFirstWeek=1) {
		var cal = CreateObject('java', 'java.util.GregorianCalendar').init(
			JavaCast('int', Year(arguments.d))
			, JavaCast('int', Month(arguments.d)-1)
			, JavaCast('int', Day(arguments.d))
			, JavaCast('int', Hour(arguments.d))
			, JavaCast('int', Minute(arguments.d))
			, JavaCast('int', Second(arguments.d))
		);
		cal.setMinimalDaysInFirstWeek(arguments.minDaysInFirstWeek);
		return cal.get(cal.WEEK_OF_MONTH);
	}
</cfscript>