It depends you either write it in words 9 o'clock Or in 24 hour time 0900 hours/ 2100 hours Or in digital time 9:00 am I thought teachers would still teach you these things these days!!!
9:00 am to 9:00pm
9:00 central standard time
3 o' clock 6 o'clock 9 o' clock 12 o'clock
at 9 o clock
i spend sunday at my family. i wake up at 9 o; clock I BRUSH my teeth. and I eat breakfast at 10 o; clock am Igoing to bathing. I am going to play with my friends . after play with friends I eat lunch at 2'o cloak pm. I will watch a movie at 3'0 clock pm. after movie I should sleep at 4'0 clock.
just doo itt
11 o clock or 12
à cinq heures
5:40 It's short for "of".
9:00 o clock am
A right angle which is 90 degrees
six heures et demi.