The date shown is not the due date of this assignment.
Rather, it is the date that this assignment is officially announced.
The due date, if not specified otherwise, is the following class period.
Example: A notation, (8/30/04), indicates that this assignment should be prepared before class time on August 31, 2004. Class activities on the 31st will assume that you have completed the assignment by then.
Assignments will often be posted in advance of the official announcement date but you will need to be alert for changes before that time.