"Work schedule" is a common term in Engpsh to refer to the arrangement of work duties and the times at which they are to be performed. For example, you might say "I have a busy work schedule this week" to indicate that you have a lot of work to do, or "I need to plan my work schedule around this meeting" to indicate that you need to make sure your work duties do not confpct with a particular meeting. Other phrases that might be used to refer to a work schedule include "work plan," "work roster," or "work timetable."