>http://msdn.microsoft.com/en-us/library/b5xbyt6f%28v=VS.90%29.aspx
>
>"...the return value for DateInterval.Month is calculated purely from the year and month parts of the arguments"
>
>Day is not part of the calculation.

Thanks, I was able to resolve the issue by simplifying a little bit the entry point by the use of some code which was shared in this thread.