>There is (are) universal formats.
>dateTime.ToString("u"):
>2008-01-31 13:20:09Z
>
>dateTime.ToString("s"):
>2008-01-31T13:20:09
>
>...
>
>Such formats are easily recognizable as a datetime. In .Net DateTime.TryParse could be used and say in XML data it's simply recognized as a datetime. A numeric format OTOH is developer dependant (IMHO).
Thanks