diff --git a/app/models/repository_date_time_value.rb b/app/models/repository_date_time_value.rb
index ca516da81..e0f4cda58 100644
--- a/app/models/repository_date_time_value.rb
+++ b/app/models/repository_date_time_value.rb
@@ -8,10 +8,6 @@ class RepositoryDateTimeValue < RepositoryDateTimeValueBase
     new_time.to_i != data.to_i
   end
 
-  def reminder?
-    true
-  end
-
   def formatted
     super(:full_with_comma)
   end
diff --git a/app/models/repository_date_value.rb b/app/models/repository_date_value.rb
index 639bfeec6..216d0766c 100644
--- a/app/models/repository_date_value.rb
+++ b/app/models/repository_date_value.rb
@@ -11,10 +11,6 @@ class RepositoryDateValue < RepositoryDateTimeValueBase
     Date.parse(new_data).to_date != data.to_date
   end
 
-  def reminder?
-    true
-  end
-
   def formatted
     super(:full_date)
   end
diff --git a/app/serializers/repository_datatable/repository_date_time_value_serializer.rb b/app/serializers/repository_datatable/repository_date_time_value_serializer.rb
index 165c6878a..6da41328c 100644
--- a/app/serializers/repository_datatable/repository_date_time_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_date_time_value_serializer.rb
@@ -3,13 +3,17 @@
 module RepositoryDatatable
   class RepositoryDateTimeValueSerializer < RepositoryBaseValueSerializer
     def value
-      {
+      data = {
         formatted: I18n.l(object.data, format: :full_with_comma),
         date_formatted: I18n.l(object.data, format: :full_date),
         time_formatted: I18n.l(object.data, format: :time),
-        datetime: object.data.strftime('%Y/%m/%d %H:%M'),
-        reminder: object.reminder?
+        datetime: object.data.strftime('%Y/%m/%d %H:%M')
       }
+
+      reminder_delta = scope[:column].metadata['reminder_delta']
+      data[:reminder] = reminder_delta.to_i + DateTime.now.to_i > object.data.to_i if reminder_delta
+
+      data
     end
   end
 end
diff --git a/app/serializers/repository_datatable/repository_date_value_serializer.rb b/app/serializers/repository_datatable/repository_date_value_serializer.rb
index 27ac60642..6b0b8dfdf 100644
--- a/app/serializers/repository_datatable/repository_date_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_date_value_serializer.rb
@@ -3,11 +3,15 @@
 module RepositoryDatatable
   class RepositoryDateValueSerializer < RepositoryBaseValueSerializer
     def value
-      {
+      data = {
         formatted: I18n.l(object.data, format: :full_date),
-        datetime: object.data.strftime('%Y/%m/%d %H:%M'),
-        reminder: object.reminder?
+        datetime: object.data.strftime('%Y/%m/%d %H:%M')
       }
+
+      reminder_delta = scope[:column].metadata['reminder_delta']
+      data[:reminder] = reminder_delta.to_i + DateTime.now.beginning_of_day.to_i > object.data.to_i if reminder_delta
+
+      data
     end
   end
 end