diff --git a/config/reasoner/dl2op/main/mapping.n3 b/config/reasoner/dl2op/main/mapping.n3
index 80a9c1a..bf94c92 100644
--- a/config/reasoner/dl2op/main/mapping.n3
+++ b/config/reasoner/dl2op/main/mapping.n3
@@ -60,12 +60,22 @@ PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
 
 
 # Backward arrow rule is like a function call.
-# Removes time and timezone info in the returned date
+# Removes time info in the returned date
+# The user in DL selects a date via the UI.
+# These dates are persisted as midnight dateTimes in UTC.
+# Meaning that 1st of July is stored as
+# "2022-06-30T22:00:00Z"^^xsd:dateTime
+# and 1 December
+# "2022-11-30T23:00:00Z"^^xsd:dateTime
+# So, the following rule adds 2 hours to the datetime, and then takes the date part of the UTC date time
+# to come to the date that the DL user selected (in CE(S)T)
 {
    ?dateTime :dateFromDateTime ?date
 } <= {
   (?dateTimeLiteral xsd:dateTime) log:dtlit ?dateTime.
-  (?dateTimeLiteral 0 11) func:substring ?dateLiteral.
+  (?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.
 }.