<!--- Create a new date based on the rounded date and a time span. --->
<cfset dtTwo = (
	Round( dtNow ) +
	CreateTimeSpan( 
		0,  <!--- Days. --->
		18, <!--- Hours. --->
		0,  <!--- Minutes. --->
		0   <!--- Seconds. --->
		)
	) />
 
<!--- Dump out result. --->
<cfdump var="#CreateODBCDateTime( dtTwo )#" /><br>