By the week of work performed, not by the calendar. This is 3 weeks work. It starts Tuesday and will conclude mid February. or yes, take an hour out of your w

By the week of work performed, not by the calendar. This is 3 weeks work. It starts Tuesday and will conclude mid February. or yes, take an hour out of your work day for non-client stuff, and work an hour longer so it is not at your client's expense.