Display classes by time
When I view or print my schedule for the week, without lesson details, I would LOVE to have it display in relationship to TIME, not all bunched together at the top of the page. This would help my colleagues visualize empty periods in my schedule (I'm a librarian)! When one class is 90 minutes and takes up the same amount space as a 30 minute class, or I have a break of 25 minutes, it is hard to read that across a week.

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Laura Andrew commented
The weekly plan book would have a more neat and tidy appearance if the classes that are always at the same time could remain in the same row together. For example, my afternoon meeting with my preschoolers is always at the same time. But since we have fewer classes before the afternoon meeting on Wednesday, it appears earlier on the schedule, though it is really at the same time.