class SimpleForm::Inputs::DateTimeInput

def label_target
  position = case input_type
  when :date, :datetime
    date_order = input_options[:order] || I18n.t('date.order')
    date_order.first
  else
    :hour
  end
  position = ActionView::Helpers::DateTimeSelector::POSITION[position]
  "#{attribute_name}_#{position}i"
end