5:30 = five thirty, or half past five 12:00 = noon, or twelve o'clock, or mid-day 5:50 = ten to six, or five fifty 4:10 = ten past four or four ten 00:00 = midnight You an use the hour and then the minutes past the hour e.g. Four thirty five (4:35) or twelve twenty (12:20). You can also say we are a certain number of minutes past an hour, or a certain number of minutes to go to the next hour. E.g. 4:05 = five past four. 4:50 = ten minutes to five. You can also use quarter to and quarter past an hour and also half past an hour (note that the half is PAST the hour and not half on the way to the next hour as in some languages)