These are absolute times
<xs:element name="Times"> <xs:annotation> <xs:documentation>These are absolute times</xs:documentation> </xs:annotation> <xs:complexType> <xs:attribute name="ArrivalTime" type="xs:dateTime" use="required" /> <xs:attribute name="DepartureTime" type="xs:dateTime" use="optional" /> </xs:complexType> </xs:element>