diff --git a/config/migrations/2023/20231205094322-mandaat-date-to-datetime.sparql b/config/migrations/2023/20231205094322-mandaat-date-to-datetime.sparql
deleted file mode 100644
index 0db4d31..0000000
--- a/config/migrations/2023/20231205094322-mandaat-date-to-datetime.sparql
+++ /dev/null
@@ -1,110 +0,0 @@
-PREFIX mandaat: <http://data.vlaanderen.be/ns/mandaat#> 
-PREFIX ch: <http://data.lblod.info/vocabularies/contacthub/>
-PREFIX ere: <http://data.lblod.info/vocabularies/erediensten/>
-PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
-DELETE {
-  GRAPH ?g {
-  ?s mandaat:start ?o .
-  }
-}
-INSERT {
- GRAPH ?g {
-   ?s mandaat:start ?converteddate .
- }
-}
-WHERE {
-  GRAPH ?g {
-    ?s mandaat:start ?o .
-  }
-  VALUES ?g {
-    <http://mu.semte.ch/graphs/worship-service>
-    <http://mu.semte.ch/graphs/administrative-unit>
- }
- BIND(xsd:dateTime(?o) AS ?converteddate).
-}
-;
-DELETE {
-    GRAPH ?g {
-    ?s mandaat:einde ?o .
-    }
-  }
-  INSERT {
-   GRAPH ?g {
-     ?s mandaat:einde ?converteddate .
-   }
-  }
-  WHERE {
-    GRAPH ?g {
-      ?s mandaat:einde ?o .
-    }
-    VALUES ?g {
-      <http://mu.semte.ch/graphs/worship-service>
-      <http://mu.semte.ch/graphs/administrative-unit>
-   }
-   BIND(xsd:dateTime(?o) AS ?converteddate).
-  }
-
-;
-DELETE {
-  GRAPH ?g {
-  ?s ch:startdatum ?o .
-  }
-}
-INSERT {
- GRAPH ?g {
-   ?s ch:startdatum ?converteddate .
- }
-}
-WHERE {
-  GRAPH ?g {
-    ?s ch:startdatum ?o .
-  }
-  VALUES ?g {
-    <http://mu.semte.ch/graphs/worship-service>
-    <http://mu.semte.ch/graphs/administrative-unit>
- }
- BIND(xsd:dateTime(?o) AS ?converteddate).
-}
-;
-DELETE {
-    GRAPH ?g {
-    ?s ch:eindedatum ?o .
-    }
-  }
-  INSERT {
-   GRAPH ?g {
-     ?s ch:eindedatum ?converteddate .
-   }
-  }
-  WHERE {
-    GRAPH ?g {
-      ?s ch:eindedatum ?o .
-    }
-    VALUES ?g {
-      <http://mu.semte.ch/graphs/worship-service>
-      <http://mu.semte.ch/graphs/administrative-unit>
-   }
-   BIND(xsd:dateTime(?o) AS ?converteddate).
-  }
-;
-  DELETE {
-    GRAPH ?g {
-    ?s ere:geplandeEinddatumAanstelling ?o .
-    }
-  }
-  INSERT {
-   GRAPH ?g {
-     ?s ere:geplandeEinddatumAanstelling ?converteddate .
-   }
-  }
-  WHERE {
-    GRAPH ?g {
-      ?s ere:geplandeEinddatumAanstelling ?o .
-    }
-    VALUES ?g {
-      <http://mu.semte.ch/graphs/worship-service>
-      <http://mu.semte.ch/graphs/administrative-unit>
-   }
-   BIND(xsd:dateTime(?o) AS ?converteddate).
-  }
-  ;
\ No newline at end of file
diff --git a/config/migrations/2023/20231205094320-mandaat-date-to-datetime.sparql b/config/migrations/2023/20231205094323-mandaat-date-to-datetime.sparql
similarity index 100%
rename from config/migrations/2023/20231205094320-mandaat-date-to-datetime.sparql
rename to config/migrations/2023/20231205094323-mandaat-date-to-datetime.sparql
diff --git a/config/reasoner/dl2op/main-info/mapping.n3 b/config/reasoner/dl2op/main-info/mapping.n3
index 4d7158b..201724c 100644
--- a/config/reasoner/dl2op/main-info/mapping.n3
+++ b/config/reasoner/dl2op/main-info/mapping.n3
@@ -68,6 +68,84 @@ PREFIX ere: <http://data.lblod.info/vocabularies/erediensten/>
 }.
 
 # Test
+# ex:s <http://data.vlaanderen.be/ns/mandaat#einde> "2019-02-01T10:32:52+00:00"^^xsd:dateTime.
+{
+  ?s mandaat:einde ?eindeDateTime.
+  # use backward arrow rule defined below
+  ?eindeDateTime :dateFromDateTime ?eindeDate.
+  {
+    ?s mandaat:einde ?eindeDateTime
+  } e:becomes {
+    ?s mandaat:einde ?eindeDate
+  }.
+} => {
+  ?s mandaat:einde ?eindeDate
+}.
+
+{
+  ?s mandaat:bindingStart ?bindingStartDateTime.
+  # use backward arrow rule defined below
+  ?bindingStartDateTime :dateFromDateTime ?bindingStartDate.
+  {
+    ?s mandaat:bindingStart ?bindingStartDateTime
+  } e:becomes {
+    ?s mandaat:bindingStart ?bindingStartDate
+  }.
+} => {
+  ?s mandaat:bindingStart ?bindingStartDate
+}.
+
+{
+  ?s mandaat:bindingEinde ?bindingEindeDateTime.
+  # use backward arrow rule defined below
+  ?bindingEindeDateTime :dateFromDateTime ?bindingEindeDate.
+  {
+    ?s mandaat:bindingEinde ?bindingEindeDateTime
+  } e:becomes {
+    ?s mandaat:bindingEinde ?bindingEindeDate
+  }.
+} => {
+  ?s mandaat:bindingEinde ?bindingEindeDate
+}.
+
+{
+  ?s ch:startdatum ?startDate.
+  # use backward arrow rule defined below
+  ?startDate :dateFromDateTime ?startDateTime.
+  {
+    ?s ch:startdatum ?startDate
+  } e:becomes {
+    ?s ch:startdatum ?startDateTime
+  }.
+} => {
+  ?s ch:startdatum ?startDateTime
+}.
+
+{
+  ?s ch:eindedatum ?startDDate.
+  # use backward arrow rule defined below
+  ?startDate :dateFromDateTime ?startDateTime.
+  {
+    ?s ch:eindedatum ?startDate
+  } e:becomes {
+    ?s ch:eindedatum ?startDateTime
+  }.
+} => {
+  ?s ch:eindedatum ?startDateTime
+}.
+
+{
+  ?s ere:geplandeEinddatumAanstelling ?startDDate.
+  # use backward arrow rule defined below
+  ?startDate :dateFromDateTime ?startDateTime.
+  {
+    ?s ere:geplandeEinddatumAanstelling ?startDate
+  } e:becomes {
+    ?s ere:geplandeEinddatumAanstelling ?startDateTime
+  }.
+} => {
+  ?s ere:geplandeEinddatumAanstelling ?startDateTime
+}.
 
 # Backward arrow rule is like a function call.
 # Removes time info in the returned date
@@ -85,10 +163,19 @@ PREFIX ere: <http://data.lblod.info/vocabularies/erediensten/>
   (?dateTimeLiteral xsd:dateTime) log:dtlit ?dateTime.
   (?dateTime "PT2H"^^xsd:dayTimeDuration) func:add-dayTimeDuration-to-dateTime ?localDateTime.
   (?localDateTimeLiteral xsd:dateTime) log:dtlit ?localDateTime.
-  (?localDateTimeLiteral 0 11) func:substring ?dateLiteral.
   (?dateLiteral xsd:date) log:dtlit ?date.
 }.
 
+#backwards arrow rule for converting date to datetime
+{
+   ?date :dateTimeFromDate ?dateTime
+} <= {
+    ?date string:notMatches """^(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2}):(\\d{2}).*""" .
+    (?date "T00:00:00") string:concatenation ?datePlusTime.
+    (?datePlusTime xsd:dateTime) log:dtlit ?dateTime
+}.
+
+
 
 # ex:orgA besluit:classificatie <http://data.vlaanderen.be/id/concept/BestuurseenheidClassificatieCode/5ab0e9b8a3b2ca7c5e000002>.
 {
diff --git a/config/reasoner/dl2op/main/mapping.n3 b/config/reasoner/dl2op/main/mapping.n3
index f280bf8..2b506ca 100644
--- a/config/reasoner/dl2op/main/mapping.n3
+++ b/config/reasoner/dl2op/main/mapping.n3
@@ -67,6 +67,85 @@ PREFIX lblodlg: <http://data.lblod.info/vocabularies/leidinggevenden/>
 }.
 
 # Test
+# ex:s <http://data.vlaanderen.be/ns/mandaat#einde> "2019-02-01T10:32:52+00:00"^^xsd:dateTime.
+{
+  ?s mandaat:einde ?eindeDateTime.
+  # use backward arrow rule defined below
+  ?eindeDateTime :dateFromDateTime ?eindeDate.
+  {
+    ?s mandaat:einde ?eindeDateTime
+  } e:becomes {
+    ?s mandaat:einde ?eindeDate
+  }.
+} => {
+  ?s mandaat:einde ?eindeDate
+}.
+
+{
+  ?s mandaat:bindingStart ?bindingStartDateTime.
+  # use backward arrow rule defined below
+  ?bindingStartDateTime :dateFromDateTime ?bindingStartDate.
+  {
+    ?s mandaat:bindingStart ?bindingStartDateTime
+  } e:becomes {
+    ?s mandaat:bindingStart ?bindingStartDate
+  }.
+} => {
+  ?s mandaat:bindingStart ?bindingStartDate
+}.
+
+{
+  ?s mandaat:bindingEinde ?bindingEindeDateTime.
+  # use backward arrow rule defined below
+  ?bindingEindeDateTime :dateFromDateTime ?bindingEindeDate.
+  {
+    ?s mandaat:bindingEinde ?bindingEindeDateTime
+  } e:becomes {
+    ?s mandaat:bindingEinde ?bindingEindeDate
+  }.
+} => {
+  ?s mandaat:bindingEinde ?bindingEindeDate
+}.
+
+{
+  ?s ch:startdatum ?startDate.
+  # use backward arrow rule defined below
+  ?startDate :dateFromDateTime ?startDateTime.
+  {
+    ?s ch:startdatum ?startDate
+  } e:becomes {
+    ?s ch:startdatum ?startDateTime
+  }.
+} => {
+  ?s ch:startdatum ?startDateTime
+}.
+
+{
+  ?s ch:eindedatum ?startDDate.
+  # use backward arrow rule defined below
+  ?startDate :dateFromDateTime ?startDateTime.
+  {
+    ?s ch:eindedatum ?startDate
+  } e:becomes {
+    ?s ch:eindedatum ?startDateTime
+  }.
+} => {
+  ?s ch:eindedatum ?startDateTime
+}.
+
+{
+  ?s ere:geplandeEinddatumAanstelling ?startDDate.
+  # use backward arrow rule defined below
+  ?startDate :dateFromDateTime ?startDateTime.
+  {
+    ?s ere:geplandeEinddatumAanstelling ?startDate
+  } e:becomes {
+    ?s ere:geplandeEinddatumAanstelling ?startDateTime
+  }.
+} => {
+  ?s ere:geplandeEinddatumAanstelling ?startDateTime
+}.
+
 
 # Backward arrow rule is like a function call.
 # Removes time info in the returned date
@@ -88,6 +167,15 @@ PREFIX lblodlg: <http://data.lblod.info/vocabularies/leidinggevenden/>
   (?dateLiteral xsd:date) log:dtlit ?date.
 }.
 
+#backwards arrow rule for converting date to datetime
+{
+   ?date :dateTimeFromDate ?dateTime
+} <= {
+    ?date string:notMatches """^(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2}):(\\d{2}).*""" .
+    (?date "T00:00:00") string:concatenation ?datePlusTime.
+    (?datePlusTime xsd:dateTime) log:dtlit ?dateTime
+}.
+
 
 # ex:orgA besluit:classificatie <http://data.vlaanderen.be/id/concept/BestuurseenheidClassificatieCode/5ab0e9b8a3b2ca7c5e000002>.
 {