DateTime.parse => Time.zone.parse

app/models/champs/datetime_champ.rb

@@ -30,7 +30,7 @@ class Champs::DatetimeChamp < Champ
           nil
         end
     elsif /^\d{2}\/\d{2}\/\d{4}\s\d{2}:\d{2}$/.match?(value) # old browsers can send with dd/mm/yyyy hh:mm format
-      self.value = DateTime.parse(value, "%d/%m/%Y %H:%M").strftime("%Y-%m-%d %H:%M")
+      self.value = Time.zone.parse(value, "%d/%m/%Y %H:%M").strftime("%Y-%m-%d %H:%M")
     elsif !(/^\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}$/.match?(value)) # a datetime not correctly formatted should not be stored
       self.value = nil
     end