<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:date="http://exslt.org/dates-and-times">
 <xsl:template match="/">
 <xsl:value-of select="date:year('18446744073709553592')"/>
 </xsl:template>
</xsl:stylesheet>
