import arcpy
arcpy.env.workspace = r"C:/data/city_pd.gdb"
in_features = "CallsForService"
date_field = "CALLDATE"
day_name_field = ["DAY_FULL_NAME", "CALL_DAYOFWEEK"]
day_week_field = ["DAY_OF_WEEK", "CALL_DAYNUM"]
hour_field = ["HOUR", "CALL_HOUR"]
month_field = ["MONTH", "CALL_MONTH"]
day_num_field = ["DAY_OF_MONTH", "CALL_DAY"]
year_field = ["YEAR", "CALL_YEAR"]
date_attributes = [day_name_field, day_week_field, hour_field, month_field, day_num_field,
year_field]
arcpy.ca.AddDateAttributes(in_features, date_field, date_attributes)