<xsd:simpleType name="dayTimeDuration">
<xsd:restriction base="xsd:duration">
<xsd:pattern value="[\-]?P([0-9]+D(T([0-9]+(H([0-9]+(M([0-9]+(\.[0-9]*)?S
 |\.[0-9]+S)?|(\.[0-9]*)?S)|(\.[0-9]*)?S)?|M([0-9]+
 (\.[0-9]*)?S|\.[0-9]+S)?|(\.[0-9]*)?S)|\.[0-9]+S))?
 |T([0-9]+(H([0-9]+(M([0-9]+(\.[0-9]*)?S|\.[0-9]+S)?
 |(\.[0-9]*)?S)|(\.[0-9]*)?S)?|M([0-9]+(\.[0-9]*)?S|\.[0-9]+S)?
 |(\.[0-9]*)?S)|\.[0-9]+S))" />
</xsd:restriction>
</xsd:simpleType>
|