XML Tutorial/XML Schema/gYearMonth
The gYearMonth datatype represents a specific Gregorian month in a specific Gregorian year
<source lang="xml">
<xsd:element name="graduation" type="xsd:gYearMonth"/>
<graduation>1996-05Z</graduation></source>
<source lang="xml">
<xsd:element name="graduation" type="xsd:gYearMonth"/>
<graduation>1996-05Z</graduation></source>