A Riddle a Day -- 78 Logical and Mathematical Puzzles

Day 77 -- Solution

On a microwave (see the explanation PrussianPosiedon gave) or any sort of timer.

Pool of Victors:

@PrussianPosiedon

@Geronimo_006

@Bookwormwriter1313 <<<<WINNER

@PJOandHOO_fan