text: from aiogram.dispatcher.filters.state import State, StatesGroup
  
  
  class Start(StatesGroup):
      waiting_for_tz = State()
  
  
  class NewCountdown(StatesGroup):
      waiting_for_format = State()
      waiting_for_name = State()
      waiting_for_preference = State()
      waiting_for_dt = State()
  
  
  class MyCountdowns(StatesGroup):
      browsing_cds = State()
      countdown_selected = State()
      edit_name = State()
      edit_dt = State()
  