-What time is it? -It is one o’clock.
-What time is it? -It is ten past one.
-What time is it? -It is a quarter to two.
-What time is it? -It is four minutes to three.
PS: Only use minutes with times having 1, 2, 3, 4, 6, 7, 8, 9 in them.
I.e. (11.29: Twenty-nine minutes past eleven).