How many hours do priests work per week?

Crowly Mathew Arackal's answer, with the addition of the clarifications in the comments is actually quite accurate. A few things should be noted in the interest of a full understanding. Priests do get 1 day off per week per canon law. read more

For the amount of work, it depends very much on the priest, his assignment, and will to take on tasks (or say no). I have seen priests who clock 8–5 during the week plus weekend Masses (~50 hrs). Then there are the priests who never say no, and end up working from 6am-9pm, six days per week (~90 hours). read more

(1) there is usually no specific restriction. However, the duties and jobs given most priests lead to more work than is able to be done in 40 hours per week. Remember that many pastors, for example, have up to 7 or 10 masses each week, not counting weddings and funerals. read more

The median work week for full time Catholic priests remains 8 hours longer than that of full-time Protestant pastors, and the difference remains statistically significant. Part-time pastors, whether Catholic or Protestant, work about half as many hours per week as their full-time colleagues and, as expected, allocate a higher percentage of their time to preparing sermons and worship. read more