O'CLOCK


Meaning of O'CLOCK in English

[adverb] [not gradable] - used after a number from one to twelve to say the time when it is exactly that hour"Have you got the time?" "It's two o'clock."I got a phone-call from him at four o'clock in the morning.It's almost ten o'clock, the news will be on soon.

Cambridge English vocab.      Кембриджский английский словарь.