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Put a start date on the task, and have it repeat with start after 1 day.

If you don't want something to appear as available until later (and you know when it is you want it to appear) a start date is usually the answer, and works for both projects and actions. If you want to put something on ice indefinitely, until you make it active again, projects can be placed on hold, but not individual actions. It is also possible to place a context on hold, which prevents any action assigned to the context from being shown as available.