Hi @nita ...
I am not sure if your school has any policies, procedures, and/or guidelines in place as to when you should be publishing your courses and changing available dates for your assignments. You are going to want to check with people at Massasoit Community College about this...as they would be able to give you specifics. I found this page on your school's website that may help: Information Technology Services - Massasoit Community College
Generally speaking, though... you should be able to publish your course(s) when you are ready to make the content available to your students.
How do I publish a course?
If you are wanting to change the availability dates for your assignments, you can do that all on one screen following the steps in this Guide:
How do I bulk update due dates and availability da... - Instructure Community (canvaslms.com)
I hope this info will be of help to you. Again, you might want to check with folks at your school if there are any established guidelines for publishing your course or configuring availability and due dates for your assignments. Good luck!
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