I organize myself by scheduling a sizable number of "all-day appointments" in my Outlook for Mac. Everyday at the office, I open up these appointments, one at a time, read the notes that I've left there, and follow up with clients, projects, colleagues, etc. When I'm done, I reschedule those appointments for some TBD date in the future to remind me to follow up, take the next step, etc.

Every day at 9am exactly, about 85% of tommorrow's all-day appointments pop over to today. If I am using Outlook at exactly 9am, I can actually see them move over from tomorrow to today right in front of my eyes. As I mentioned, this doesn't happen to every single "all-day appointment", only about 85% of them. A few usually stay put and remain properly scheduled for tomorrow like they're supposed to.

On any given day, if I create a new all-day appointment for the next day, after about 15 seconds or so, it will automatically pop over to today. The same thing happens for multi-day all-day events as well. Let's say for example, I'm planning a trip from Friday through Sunday, and enter it in as an all-day event spanning from Friday through Sunday. On Thursday, the day before the trip at 9am, the whole event will shift over to show that it is now running from Thursday through Saturday.

A couple additional points of note that might have an effect on this, or might not.