I think it is granting pardons
How much time will it take and how much hours will you work or can work after your finished with your class and another thing you need to calculate how much hours in all it take then you subtract it by 24 because 1 day = 24 hours to measure how much hours will you get to sleep and the next day repeat the process
It's basically some type of shelter, it was necessary to protect you from the harsh weather.
Try searching it up in google first
