Are these two datetime values equivalent?

From: Costello, Roger L. <costello@mitre.org>
Date: Thu, 30 Jul 2009 12:10:06 -0400
To: "xmlschema-dev@w3.org" <xmlschema-dev@w3.org>
Message-ID: <9E51F88D5247B648908850C35A3BBB500402307998@IMCMBX3.MITRE.ORG>

Hi Folks,

   Are these equivalent:

   2009-07-29T24:00:00-6:00
   2009-07-30T00:00:00-6:00

/Roger

Received on Thursday, 30 July 2009 16:10:44 UTC