These will be explained to you once you report on board. Since all civilian mariners are salaried, all are required to work an 8-hour day at the minimum. Overtime is earned for worked performed in excess of 8 hours per day. Saturday, Sunday, and Holidays are also considered overtime days. MSC vessels operate worldwide and have many varied schedules according to the ship type and mission.
Some vessels have more underway time than others and vessels make frequent stops at port worldwide.
MSC ships do not stay underway unless it is necessary due to fuel costs.