Send a list of day (string, date object) result = HolidayJp.is_there_holiday(["2020-01-01", "2020-10-22", datetime.datetime.today()]) return True or False result = HolidayJp.which_are_holiday(["2020-01-01", "2020-10-22", datetime.datetime.today()]) result can be [HolidayJp<1>, ...]