When an extended calendar is created, without a cycle, Unicenter AutoSys JM calculates 1 years worth on dates.
The ujo_calendar table in the AutoSys database is updated with those dates.
When the calendar has no more dates left in it, AutoSys will automatically re-generate the next years worth of dates.
When an extended calendar is created, with a cycle that spans multiple years, Unicenter AutoSys JM generate dates thru the end of the cycle.
This results in more than 1 years worth of dates.
When that calendar runs out of dates, no additional dates will be automatically generated as the cycle specifies the valid timeframe (start and end).
If changes are made to an extended calendar definition, the dates should be manually re-generated via autocal_asc.