Scheduling a Christmas clock for December 24–26 only, or a summer weekend rotation from June–August, requires manual intervention every year. A date-range scheduling layer above the weekly grid would make this manageable.
COMPLETE
Available from PlayIt Live 2.18. Clock Grids can be limited to a date range and layered over your regular schedule, and tracks have an "Ignore year on dates" option so a Valid From / Expires window repeats every year. Using more than one grid, which is what layering needs, requires the Advanced Scheduling module.
Comment on this feature request:
Jason Allen commented
Available from PlayIt Live 2.18. Clock Grids can be limited to a date range and layered over your regular schedule, and tracks have an "Ignore year on dates" option so a Valid From / Expires window repeats every year. Using more than one grid, which is what layering needs, requires the Advanced Scheduling module.