do not compare at_midnight in different timezones.

Use localtime to make sure both dates are in the
same timezone

app/controllers/todos_controller.rb

@@ -1051,7 +1051,7 @@ end
       if recurring_todo.todos.active.count == 0
 
         # check for next todo either from the due date or the show_from date
-        date_to_check = todo.due.nil? ? todo.show_from : todo.due
+        date_to_check = todo.due.nil? ? todo.show_from.localtime : todo.due.localtime
 
         # if both due and show_from are nil, check for a next todo from now
         date_to_check = Time.zone.now if date_to_check.nil?

app/models/recurring_todos/monthly_recurrence_pattern.rb

@@ -93,7 +93,7 @@ module RecurringTodos
         #  TODO: recheck if future rails versions have this problem too
         start = Time.utc(start.year, start.month, start.day)+n.months
       end
-      Time.zone.local(start.year, start.month, every_x_day)
+      Time.zone.local(start.year, start.month, every_x_day).localtime.at_midnight
     end
 
     def find_relative_day_of_month(start, n)

test/controllers/todos_controller_test.rb

@@ -740,14 +740,14 @@ class TodosControllerTest < ActionController::TestCase
 
       # locate the new todo in tickler
       new_todo = Todo.where(:recurring_todo_id => recurring_todo_1.id, :state => 'deferred').first
-      assert !new_todo.nil?, "the todo should be in the tickler"
+      refute new_todo.nil?, "the todo should be in the tickler"
 
       assert_equal "Call Bill Gates every day", new_todo.description
       assert_not_equal todo_1.id, new_todo.id, "check that the new todo is not the same as todo_1"
-      assert !new_todo.show_from.nil?, "check that the new_todo is in the tickler to show next month"
+      refute new_todo.show_from.nil?, "check that the new_todo is in the tickler to show next month"
 
       # do not use today here. It somehow gets messed up with the timezone calculation.
-      next_month = (Time.zone.now + 1.month).at_midnight
+      next_month = (today + 1.month).localtime.at_midnight
 
       assert_equal next_month.utc.to_date.to_s(:db), new_todo.show_from.utc.to_date.to_s(:db)
     end