Clock

00:00 -> at twelve o'clock
00:05 -> at five past twelve
00:10 -> at ten past twelve
00:15 -> at quarter past twelve
00:20 -> at twenty past twelve
00:25 -> at twenty-five past twelve
00:30 -> at half past twelve
00:35 -> at twenty-five to one
00:40 -> at twenty to one
00:45 -> at quarterto one
00:50 -> at ten to one
00:55 -> at five to one