This is close to how my alma mater functioned, everything ended on the 50 or the 20 and started on 00 or 30. Just enough time to climb up out of a basement on o

This is close to how my alma mater functioned, everything ended on the 50 or the 20 and started on 00 or 30. Just enough time to climb up out of a basement on one end, make the hike, and descend to the furthest classroom on the other. With lectures the content is rigidly planned and controlled by one person, so the end time is more respected than more open-ended and participatory work meetings I find.