on the hour

1. At every hour exactly; one o'clock, two o'clock, and so on. For example, The shuttle to New York departs on the hour. An extension of this idiom is every hour on the hour, meaning every time the clock's big hand reaches twelve, as in The bus passes by the house every hour on the hour.

Example Sentences

The character first appeared as a sport reporter on the BBC Radio 4 parody news show On the Hour in 1991, with one unwitting listener writing in to say they had been "appalled" by his on-air behaviour.

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At the other end it took a try-saving shove from Connor to keep Bennison from crossing over on the hour mark.

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But an error from the restart immediately gifted O'Brien a momentum-stalling penalty before Tuitavake crashed over on the hour to put the hosts out of sight at 26-4.

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However, on the hour, she misjudged her entry into a breakdown to make a regulation clearout.

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The second on the hour mark was effectively the moment that sealed the success at 3-0 - a calm sweeping first-time finish into the bottom corner from 10 yards out after Ella Toone's effort had been saved.

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