This OPC UA Property, of DataType BACnetCalendarEntry [], represents the BACnet property Date_List. The BACnetCalendarEntry DataType is defined in 10.6.2.

It is an array of elements of which each is either a specific date or date pattern (BACnetDate see 10.5.6), range of dates (BACnetDateRange see 10.5.7), or month/week-of-month/day-of-week specification (BACnetWeekNDay see 10.5.35).