I would work a 9am - 4/5pm each day, except from Wednesday and Weekends.
There is two breaks per day, a mid-morning 20min, which rotates depending on who is working, and an hour lunch break.
What I did during the week:
Located, sorted and restored books
Worked in Home Archives
Worked with children, in reading and game activities
Worked in reserved area, using a computer system
Worked in a customer service environment