From your link: > It depends on the scenario. For example, if you always have class on Thursday. It would mean to have it done by class on Thursday. Whereas if

From your link: > It depends on the scenario. For example, if you always have class on Thursday. It would mean to have it done by class on Thursday. Whereas if you are taking an internet class that doesn't have set time frames, it would mean to have it done by 11:59PM Thursday night. Pretty sure this is ambiguous for most English speakers. Here's another thread on the discussion: https://ell.stackexchange.com/questions/87002/what-does-by-mean-if-we-are-talking-about-a-date https://ell.stackexchange.com/questions/87002/what-does-by-m...