How to display current Date and Time in XSLT using C#

<?xml version="1.0" encoding="iso-8859-1" ?>
  <xsl:stylesheet version="2.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxsl="urn:schemas-microsoft-com:xslt"
    xmlns:my="put-your-namespace-uri-here"
    exclude-result-prefixes="msxsl my">
  <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
  <msxsl:script language="C#" implements-prefix="my">
    public string NowDate(){
    return DateTime.Now.ToString("ddMMyyyy");
    }
    public string NowTime(){
    return DateTime.Now.ToString("hhmmss");
    }
  </msxsl:script>
  <xsl:template match="/">
    <xsl:value-of select="my:NowDate()" />
<xsl:value-of select="my:NowTime()" />
 </xsl:template>
</xsl:stylesheet>