10:12 - ten twelve10:30 - ten thirty10:42 - ten forty-two11:30 - eleven thirty12:59 - twelve fifty-nine13:01 - thirteen o'clock or one o'clock
10:12 - ten twelve
10:30 - ten thirty
10:42 - ten forty-two
11:30 - eleven thirty
12:59 - twelve fifty-nine
13:01 - thirteen o'clock or one o'clock