diff --git a/config/reasoner/dl2op/main-info/mapping.n3 b/config/reasoner/dl2op/main-info/mapping.n3
index 6a4cdd1..326b028 100644
--- a/config/reasoner/dl2op/main-info/mapping.n3
+++ b/config/reasoner/dl2op/main-info/mapping.n3
@@ -161,16 +161,11 @@ PREFIX ere: <http://data.lblod.info/vocabularies/erediensten/>
 }.
 
 # Backward arrow rule is like a function call.
-# 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)
-# To make sure the date have the same convention we now save them as datetime without the  timezone indicator
+# Removes the timezone indicator "Z" from incoming datetimes
+# To make sure all datetimes have the same convention we now save them as
+# datetime without the timezone indicator
+# We use "T02:00:00" as time indicator to work around a virtuoso bug that
+# results in datetimes being converted to a date when using "T00:00:00"
 {
    ?date :dateTimeFromDate ?dateTime
 } 
diff --git a/config/reasoner/dl2op/main/mapping.n3 b/config/reasoner/dl2op/main/mapping.n3
index 268d389..a0fa3ba 100644
--- a/config/reasoner/dl2op/main/mapping.n3
+++ b/config/reasoner/dl2op/main/mapping.n3
@@ -148,15 +148,11 @@ PREFIX lblodlg: <http://data.lblod.info/vocabularies/leidinggevenden/>
 
 
 # Backward arrow rule is like a function call.
-# 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 make sure the date have the same convention we now save them as datetime without the  timezone indicator
+# Removes the timezone indicator "Z" from incoming datetimes
+# To make sure all datetimes have the same convention we now save them as
+# datetime without the timezone indicator
+# We use "T02:00:00" as time indicator to work around a virtuoso bug that
+# results in datetimes being converted to a date when using "T00:00:00"
 {
    ?date :dateTimeFromDate ?dateTime
 } 
diff --git a/config/reasoner/dl2op/private-info/mapping.n3 b/config/reasoner/dl2op/private-info/mapping.n3
index e230655..c410991 100644
--- a/config/reasoner/dl2op/private-info/mapping.n3
+++ b/config/reasoner/dl2op/private-info/mapping.n3
@@ -144,15 +144,11 @@ PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
 }.
 
 # Backward arrow rule is like a function call.
-# 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)
+# Removes the timezone indicator "Z" from incoming datetimes
+# To make sure all datetimes have the same convention we now save them as
+# datetime without the timezone indicator
+# We use "T02:00:00" as time indicator to work around a virtuoso bug that
+# results in datetimes being converted to a date when using "T00:00:00"
 {
    ?date :dateTimeFromDate ?dateTime
 }