Here, then, is the backbone of a good system you can implement in 12 hours (or less). Give yourself a week or three to get it up and running, and see if the time you invest in it now isn’t returned to you several times over down the line.
Once you’ve started getting a grip on your schedule, you’ll find that not only are you more on top of your schedule (instead of it being on top of you!) but your mind will be more at ease. Instead of worrying about what’s coming up, or even what you should be doing right now, you’ll just check your schedule and know. The energy you used to use for worrying and occasionally freaking out, you can put to better use pursuing your dreams.