If the Domino server stopped and started. The Daily scheduled agents scheduled during same time duration will not run after Domino start-up. it will not schedule to run before the next purge time.
The scheduled agent will run at start-up only if Domino server is started within 20 minutes of its scheduled missed.
The scheduled agents missed during Domino Shutdown period should run after Domino start-up irrespective when the Domino server is back online.