Well, I did some experiments; I guess I am now using a patched version. So applying the updater is probably the best idea.
<cfoutput> <cfset startDate = parseDateTime("4/1/2005")> <cfset endDate = parseDateTime("4/5/2005")> DateDiff("d",#startDate#,#endDate#) <h1>#DateDiff("d",startDate,endDate)#</h1> DateDiff("h",#startDate#,#endDate#) <h1>#DateDiff("h",startDate,endDate)#</h1> <cfset startDate = parseDateTime("5/1/2005")> <cfset endDate = parseDateTime("5/5/2005")> DateDiff("d",#startDate#,#endDate#) <h1>#DateDiff("d",startDate,endDate)#</h1> DateDiff("h",#startDate#,#endDate#) <h1>#DateDiff("h",startDate,endDate)#</h1> </cfoutput> -------------- Ian Skinner Web Programmer BloodSource www.BloodSource.org Sacramento, CA "C code. C code run. Run code run. Please!" - Cynthia Dunning ....-----Original Message----- ....From: Les Mizzell [mailto:[EMAIL PROTECTED] ....Sent: Thursday, March 10, 2005 4:02 PM ....To: CF-Talk ....Subject: Re: DateDiff HUH??? .... ....> When using the "d" value of datediff, it is using 24 hours as a day. ....Since we lose an hour on 4/3/2005, you are one hour short of 9 days, and ....the extra 23 hours are truncated. .... ....Hmmm - OK, is there a good fix for this? Or does it require a previously ....mentioned updater? .... ....-- ....----------- ....Les Mizzell .... .... ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Discover CFTicket - The leading ColdFusion Help Desk and Trouble Ticket application http://www.houseoffusion.com/banners/view.cfm?bannerid=48 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:198394 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54