1. Morning class: Generally, it ends at 12:00 or 12:30, because morning classes in most universities start at 8:00 or 8:30 in the morning and last about 1.5 to 2 hours.
2. Afternoon shift: usually ends at 15:30 or 17:30 in the afternoon. The afternoon shift usually starts at 14:00 or 14:30 in the afternoon and lasts about 1.5 to 3 hours.
3. Evening classes: usually end at 19:00 or 19:30. Evening classes usually start at 18:00 or 18:30 in the evening and last about 1.5 to 2 hours.