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o'clock means of the clock.
Timing is mentioned as 'o' clock because it is according to the clock.
o' clock
10 o clock
of the clock
Seven O' Clock was created in 2006.
It is short for "of the clock".
"Of the" or "on the"
It depends where in Canada are you. If you are in Vancouver, it would be eleven o clock; if you are in Toronto, it would be two o clock.
It is a contraction, i believe it means of the clock shortened to o' clock. Kinda like Cannot is can't.
12'o clock in midday is pm
"o'clock" means "of the clock"