12:22
It is: 15 minutes past the hour
An hour is 60 minutes and if a quarter has passed after the hour then that means 15 minutes have passed past the hour.
30 minutes have past if it's half past the hours. As a side effect 30 minutes is left till the hour ends if it's half past the hour.
30 minutes.
53 minutes past the previous hour.
30 minutes have past if it's half past the hours. As a side effect 30 minutes is left till the hour ends if it's half past the hour.
none
30 minutes past the hour.
15 minutes have passed.
45
One hour = 60 minutes. Quarter hour = 15 minutes.Quarter [hour] to the hour = 15 minutes to the hour. OR start with the hour, say 1:00 PM. in fifteen minutes it will be a quarter after the hour. At thirty minutes it will be half past the hour. In forty five minutes it will be a quarter ( fifteen minutes) TO the next hour or a quarter to 2:00 PM.
15.