Advice on productivity and task management and dealing with life in general tells you to use a to-do list to keep track of things that need doing, and a calendar or a schedule to keep track of things you need to do at an exact point in time. And of course, there’s the advice of adopting daily habits for things you want to improve. A better way of dealing with this issue is to plan out your day and combine all of the tasks and habits and appointments together in one place.