Walden, week by week.

That depends on your faculty member more than on the university, and the syllabus for each course states it. Some accept posts through the end of the week at a reduced credit, some close the window entirely at the stated day. Because the requirement repeats every single week, a small misunderstanding compounds across a term faster than any single assignment could.

Doctoral programs have historically included residency components, and the format has shifted between in-person and virtual over the years. Check the current requirement for your specific program rather than what a classmate a few years ahead of you experienced, since the answer has changed more than once and it affects both your budget and your calendar.

In writing, to your faculty member, before the deadline rather than after it. Extensions are discretionary and the request that succeeds is specific: what you need, how long, and what you have completed already. A request sent the morning after something was due is a different conversation, and a much harder one.

Longer than students plan for, and it is the single most common reason a doctoral timeline slips. Build in rounds of revision rather than assuming one clean pass, and start the paperwork before you feel ready. The most useful thing you can do for that timeline is submit early enough that a second round does not cost you a term.

There is a formal process, and using it is materially different from simply not enrolling. An unrequested absence can affect financial aid, program status and your catalogue year. Speak to your advisor before the term begins rather than going quiet, because reinstating an interrupted program is more administrative work than pausing a continuing one.