It's all about "where did today go?" I have my classes setup with gaps so I can ensure I've got materials ready, but once you have three lectures per day with gaps, that only leaves a few hours for anything else. Throw in a couple of committee meetings, a student meeting, and bam! I have 20 minutes of the day available for email, lunch, paperwork, grading, and any kind of planning whatsoever (ha!).
It's all about "where did today go?" I have my classes setup with gaps so I can ensure I've got materials ready, but once you have three lectures per day with gaps, that only leaves a few hours for anything else. Throw in a couple of committee meetings, a student meeting, and bam! I have 20 minutes of the day available for email, lunch, paperwork, grading, and any kind of planning whatsoever (ha!).