parse date using format

lib/submitters/normalize_values.rb

@@ -56,7 +56,9 @@ module Submitters
         (value.to_f % 1).zero? ? value.to_i : value.to_f
       elsif field['type'] == 'date' && value.present? && value != '{{date}}'
         if value.is_a?(Integer)
-          Time.zone.at(value.to_s.first(10).to_i).to_date
+          Time.zone.at(value.to_s.first(10).to_i).to_date.to_s
+        elsif value.gsub(/\w/, '0') == field.dig('preferences', 'format').to_s.gsub(/\w/, '0')
+          TimeUtils.parse_date_string(value, field.dig('preferences', 'format')).to_s
         else
           Date.parse(value).to_s
         end

lib/time_utils.rb

@@ -32,6 +32,14 @@ module TimeUtils
     tz_info.abbreviation(time)
   end
 
+  def parse_date_string(string, pattern)
+    pattern = pattern.sub(/Y+/, YEAR_FORMATS)
+                     .sub(/M+/, MONTH_FORMATS)
+                     .sub(/D+/, DAY_FORMATS)
+
+    Date.strptime(string, pattern)
+  end
+
   def format_date_string(string, format, locale)
     date = Date.parse(string.to_s)