2.2.5.4 ser:duration

The ser:duration simple type defines a type to express a duration of time.

 <xs:simpleType name="duration">
   <xs:restriction base="xs:duration">
     <xs:pattern value="\-?P(\d*D)?(T(\d*H)?(\d*M)?(\d*(\.\d*)?S)?)?" />
     <xs:minInclusive value="-P10675199DT2H48M5.4775808S" />
     <xs:maxInclusive value="P10675199DT2H48M5.4775807S" />
   </xs:restriction>
 </xs:simpleType>