7
Most Staples store hours are: Monday to Friday, 9-9pm Saturday, 10-5pm Sunday. 11-5pm. (I can't believe I actually looked this up!)
Staples opens when the appointed store manager unlocks the door and closes when the door is locked later that business day.
9
It's different depending on where you live.
9PM most weekdays
12pm
9pm
12pm
3:00pm
9;30
12:00
it closes at 10