I suppose one might possibly think of it as a shortened version of On what day of the month that you were born in were you born? But such matters are really just idiomatic. Clive
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
MustAskGPY, what do you think about "day of a month"? Why do you think "day of the month" turned out to be the common expression instead of "day of a month".I suppose that even if in some particular case the month isn't known or relevant, we feel that it must be defined, or definite. But largely I agree with what Clive said about it being just idiomatic.
GPYI think that article-less expressions of the form "A of B" tend to return a meaning that is an instance of B, e.g. "a kind/type/model/make/colour/class/variety/choice of car". "day of the month" does not mean an instance of a month, so it doesn't fit into that pattern.However, I just realised that this theory is slightly contradicted by the expression "tim
MustAskOn what day of the month were you born? It makes little sense to me.Where language is concerned sense doesn't always come into it. If everything in language had to make sense, we'd all drive ourselves crazy.