@prefix : <http://example/> .
@prefix xsd:        <http://www.w3.org/2001/XMLSchema#> .

:x a :A .
:x :p "2001-02-03T10:11:12Z" .

:y a :A .
:y :p "2004-05-06T13:14:15+0200" .

:z a :A .
:z :p "2007-08-09T16:17:18" .