Taskspace Calendar get Non-Working Days from Calendar

Non-Working Days from taskspace Calendar through DQL

select r_object_id, object_name, subject, start_date, end_date from dmc_calendar_event where any i_folder_id in (select r_object_id from dmc_calendar where object_name like '<Your Calendar Name>') AND object_name = 'Non-Working Day'

Source : https://community.emc.com/thread/184302