o'clock

Pronunciation

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Expression

Expression o'clock

It is 3 o'clock

1. When saying a time, this means that it is zero minutes past the hour. O'clock is almost always given after the number of hours. It is short for of the clock.

   "What time is it?" "It is 6 o'clock."

   The train leaves at 2 o'clock in the afternoon.

Related words

• clock