Course scheduling is notoriously fiddly. Picking begin and end dates is a pain, with all that module and activity scheduling. But to be fair to your learners, you’ve got to be as specific as possible.
The PDF Assignment Builder (PDF), developed by George Joeckel and his colleagues at Faculty Assistance Center for Teaching (FACT) at Utah State University, aims to make the chore a little easier. The tool lets you build a tidy PDF-formatted syllabus, which is also helpful when planning your course.
It’s easy enough to use, but here’s a video that shows step-by-step instructions.