Answer:
I would have the half days at the end of the school year already marked. I would have it show times for the class switches. For example when you go next to your school calendar it would say 11:xx switch from math to lunch. You could also have your own personal calendar that tells you when your clubs are. This would work in the same way as the other calendars.
Explanation:
The main purpose of subheadings are:
They stand out because of their size and attract attention.
The scanner will stop to read them and continue scanning until the next subhead which they'll then read.
the clown is not wearing red trousers
It means a word meaning opposite of another word. Example: big and small, tall and short ect..