| Date: | 1400-1500 |
| Origin: | of the clock |
| |||||||||
o'clock S1 W3

one o'clock/two o'clock etc
TMC
It's already 9 o'clock.
The meeting is at 10 o'clock.O'clock 
Do not use o'clock for times that include minutes or parts of an hour • ten past nine (NOT ten past nine o'clock) • I get up at 6.30 (NOT 6.30 o'clock) Do not use o'clock when the time is written in the form 1.00, 2.00, 3.00 etc. Write 1 o'clock, 2 am, or simply 3.00.

Do not use o'clock for times that include minutes or parts of an hour • ten past nine (NOT ten past nine o'clock) • I get up at 6.30 (NOT 6.30 o'clock) Do not use o'clock when the time is written in the form 1.00, 2.00, 3.00 etc. Write 1 o'clock, 2 am, or simply 3.00.
