A lot depends on the industry as each is different.

In the accounting world, 60 hour per week each and every week is normal. If you are working as an accountant or CPA in a top firm, that's what you should expect going in. Of course, that is usually not a year round thing that is what it averages out to be. During "tax season," you work whatever it takes to get the job done; and the rest of the year you do 35 to 40 hours.

In the legal world, if you are working as an attorney, a 75 hour week once per month and 60 hours per the rest of the time is normal. Which is why I did that for just ONE year; to pay off all those horrendous student loans.

Which industry are you in? Sorry, I don't remember.
Sandie