Everything. I use multiple timers for checking time sensitive tasks like loading wood into our basement wood-burning furnace/boiler is a big one because it needs to be fed more frequently when it's cold and less frequently when it's warmer in the winter. Cooking, laundry, remembering to leave the house in time to pick my kids up from school, letting the cat back inside if she wants it to go potty...
Everything. I use multiple timers for checking time sensitive tasks like loading wood into our basement wood-burning furnace/boiler is a big one because it needs to be fed more frequently when it's cold and less frequently when it's warmer in the winter. Cooking, laundry, remembering to leave the house in time to pick my kids up from school, letting the cat back inside if she wants it to go potty...