Programme announcing cast away over Christmas (8)

I believe the answer is:

schedule

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'programme' is the definition.
(I know that programme is a more specific form of schedule)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for schedule that I've seen before include "List - inventory" , "Plan for an activity" , "Programme or timetable of planned events" , "Plan of activities" , "List of duties, etc" .)

I've seen this clue in The Guardian.

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