Checks whether a datatype is an XSD temporal datatype.
Recognises the Gregorian, date, time, timestamp, and duration datatypes of xsd.
The datatype to check
true if datatype is one of the XSD temporal datatypes; false otherwise
datatype
xsd
Checks whether a datatype is an XSD temporal datatype.
Recognises the Gregorian, date, time, timestamp, and duration datatypes of xsd.