Index: TECH/DateTime.cls.xml
===================================================================
diff -u -r1600 -r1603
--- TECH/DateTime.cls.xml	(.../DateTime.cls.xml)	(revision 1600)
+++ TECH/DateTime.cls.xml	(.../DateTime.cls.xml)	(revision 1603)
@@ -204,5 +204,23 @@
 <Implementation><![CDATA[	Quit $SYSTEM.SQL.YEAR(TijdExpressie)
 ]]></Implementation>
 </Method>
+
+<Method name="EersteDagVanMaand">
+<ClassMethod>1</ClassMethod>
+<FormalSpec>Datum:%Date</FormalSpec>
+<ReturnType>%Date</ReturnType>
+<Implementation><![CDATA[	Quit +$$CALCDATE^vhDTyp(Datum,"M","FD")
+]]></Implementation>
+</Method>
+
+<Method name="LaatsteDagVanMaand">
+<ClassMethod>1</ClassMethod>
+<FormalSpec>Datum:%Date</FormalSpec>
+<ReturnType>%Date</ReturnType>
+<Implementation><![CDATA[
+	
+	Quit +$$CALCDATE^vhDTyp(Datum,"M","LD")
+]]></Implementation>
+</Method>
 </Class>
 </Export>