@classmethod
def get_time_intervals(cls, city_ref, datetime):
    """
        Method for fetching info about time intervals (for ordering "time intervals" service).

        :example:
        ``Common.get_time_intervals(city_ref='udb5c896a-391c-11dd-90d9-001a92567626', datetime='2.10.2015')``
        :param city_ref:
            ID of the recipient's city
        :param datetime:
            date for getting info about time intervals ('dd.mm.yyyy' date format)
        :return:
            dictionary with info about time intervals
        :rtype:
            dict
        """
    req = cls.send(method='getTimeIntervals', method_props={
        'RecipientCityRef': city_ref, 'DateTime': datetime})
    return req
