It is quarter of an hour before 3:05 p.m.
Answers
Answered by
24
Personally, I think it's better to say a “quarter to 3” which is 2:45 or a “quarter past 3” for 3:15.
In the Merriam-Webster link you can find that “of” can be used for “before” -the reference to time is definition 11b.
Similar questions