diff --git a/app/helpers/repository_datatable_helper.rb b/app/helpers/repository_datatable_helper.rb
index bd7c6ac45..08500cbd3 100644
--- a/app/helpers/repository_datatable_helper.rb
+++ b/app/helpers/repository_datatable_helper.rb
@@ -68,6 +68,6 @@ module RepositoryDatatableHelper
 
   def display_cell_value(cell)
     "RepositoryDatatable::#{cell.repository_column.data_type}Serializer"
-      .constantize.new(cell, user: current_user).serializable_hash
+      .constantize.new(cell).serializable_hash
   end
 end
diff --git a/app/serializers/repository_datatable/repository_date_range_value_serializer.rb b/app/serializers/repository_datatable/repository_date_range_value_serializer.rb
index 47cf9c3d5..cfdd3019a 100644
--- a/app/serializers/repository_datatable/repository_date_range_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_date_range_value_serializer.rb
@@ -5,9 +5,8 @@ module RepositoryDatatable
     attributes :value, :value_type
 
     def value
-      date_time_format = @instance_options[:user].settings[:date_format]
       cell = object.repository_date_time_range_value
-      cell.start_time.strftime(date_time_format) + ' - ' + cell.end_time.strftime(date_time_format)
+      I18n.l(cell.start_time, format: :full_date) + ' - ' + I18n.l(cell.end_time, format: :full_date)
     end
   end
 end
diff --git a/app/serializers/repository_datatable/repository_date_time_range_value_serializer.rb b/app/serializers/repository_datatable/repository_date_time_range_value_serializer.rb
index 84d4072a1..b672fe9cb 100644
--- a/app/serializers/repository_datatable/repository_date_time_range_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_date_time_range_value_serializer.rb
@@ -5,9 +5,8 @@ module RepositoryDatatable
     attributes :value, :value_type
 
     def value
-      date_time_format = @instance_options[:user].settings[:date_format] + ', %H:%M'
       cell = object.repository_date_time_range_value
-      cell.start_time.strftime(date_time_format) + ' - ' + cell.end_time.strftime(date_time_format)
+      I18n.l(cell.start_time, format: :full_with_comma) + ' - ' + I18n.l(cell.end_time, format: :full_with_comma)
     end
   end
 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 588f64087..3f7d1b50c 100644
--- a/app/serializers/repository_datatable/repository_date_time_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_date_time_value_serializer.rb
@@ -5,9 +5,8 @@ module RepositoryDatatable
     attributes :value, :value_type
 
     def value
-      date_time_format = @instance_options[:user].settings[:date_format] + ', %H:%M'
       cell = object.repository_date_time_value
-      cell.data.strftime(date_time_format)
+      I18n.l(cell.data, format: :full_with_comma)
     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 4813d20b8..2dc01895d 100644
--- a/app/serializers/repository_datatable/repository_date_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_date_value_serializer.rb
@@ -5,9 +5,8 @@ module RepositoryDatatable
     attributes :value, :value_type
 
     def value
-      date_time_format = @instance_options[:user].settings[:date_format]
       cell = object.repository_date_time_value
-      cell.data.strftime(date_time_format)
+      I18n.l(cell.data, format: :full_date)
     end
   end
 end
diff --git a/app/serializers/repository_datatable/repository_time_range_value_serializer.rb b/app/serializers/repository_datatable/repository_time_range_value_serializer.rb
index 1b649ae50..e6cd3c058 100644
--- a/app/serializers/repository_datatable/repository_time_range_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_time_range_value_serializer.rb
@@ -5,9 +5,8 @@ module RepositoryDatatable
     attributes :value, :value_type
 
     def value
-      date_time_format = '%H:%M'
       cell = object.repository_date_time_range_value
-      cell.start_time.strftime(date_time_format) + ' - ' + cell.end_time.strftime(date_time_format)
+      I18n.l(cell.start_time, format: :time) + ' - ' + I18n.l(cell.end_time, format: :time)
     end
   end
 end
diff --git a/app/serializers/repository_datatable/repository_time_value_serializer.rb b/app/serializers/repository_datatable/repository_time_value_serializer.rb
index 3c7a6b638..eb74e6d89 100644
--- a/app/serializers/repository_datatable/repository_time_value_serializer.rb
+++ b/app/serializers/repository_datatable/repository_time_value_serializer.rb
@@ -5,9 +5,8 @@ module RepositoryDatatable
     attributes :value, :value_type
 
     def value
-      date_time_format = '%H:%M'
       cell = object.repository_date_time_value
-      cell.data.strftime(date_time_format)
+      I18n.l(cell.data, format: :time)
     end
   end
 end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b6c53008e..5e8a1c991 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1922,6 +1922,7 @@ en:
       full_js: "D.M.YYYY HH:mm"
       full: "%{date_format} %H:%M"
       full_with_tz: "%{date_format} %H:%M %z"
+      full_with_comma: "%{date_format}, %H:%M"
       full_date: "%{date_format}"
       time: "%H:%M"
       short: "%H"