Between ten past nine in the morning and fifteen minutes later - (that is twenty five past nine in the morning), there are zero hours and fifteen minutes.
0 hours, 45 minutes
20 mins
Measuring within the same portion of the day, there are 3 hours and 30 minutes between the two times. Measuring outside of the same portion of the same day, there are 15 hours and 30 minutes between the two times.
30 min past 10 min past 10 hours
Between ten past nine in the morning and fifteen minutes later - (that is twenty five past nine in the morning), there are zero hours and fifteen minutes.
0 hours, 45 minutes
There are 398 minutes between twenty seven minutes past eight and fifty three minutes past two.
2 hours 50 minutes
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.
2:20
20 mins
There are 65 minutes between 1:15 pm and 20 minutes past 2.
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.
From right now, 8 hours 34 minutes = 514 minutes. Note: This answer will be wrong, and will self-destruct, in one minute. However, it will be correct again in 12 hours.
Four pm means 4 o'clock in the afternoon. 10:15 pm means a quarter past ten in the evening. So, there are 6 hours and 15 minutes in between.
30 minutes.