The worst job for hours was when I worked for ScotiaBank what seems like a hundred years ago now. As the "AMO" (Assistant Manager of Operations) for the branch, I basically supervised all the various goings-on in the branch. The actual branch manager mostly went for lunch and schmoozed people and had nothing to do with the dealing of the bank.
I usually arrived by 5:30am and rarely left before 7:00pm. On Fridays, the branch was open util 6:00pm for counter service, and the tellers were all super busy - meaning someone would be out of balance. That meant I had to supervise a "cross-tick" of every transaction. Since the bank was so busy every Friday, I had to run around putting out fires, and didn't get a chance to get to all the crap piling up on my desk. So, I'd often leave at 9:00 or even 10:00 Friday evenings. I'd usually take home a couple boxes of reports to go through and spend 6-8 hours at home on the weekend working.
If something unusual was going on, like an audit, then my hours got longer. I remember the auditors showing up at 6:00am thinking that they'd be at the branch first and could tape everyone's desks shut before anyone arrived. F-ckers were too late, I'd been there for a while already!
For $24,500/yr I worked a minimum of 60 hours a week, lots of weeks close to 80. That's the equivalent of $40K in 2016 dollars.