1. 12:30 thirty minutes past twelve, it is twelve thirty .
2. 11:45 fourth five minutes past eleven, a quarter to twelve, it is eleven fourty five.
3. 10:10 ten minutes past ten , it is ten ten .
4. 17:20 twenty minutes past five (seventeen. ) it is five (seventeen) twenty .
5. 18:40 fourty minutes past six (eighteen), it is six (eighteen ) fourty