on the hour
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.
Words nearby on the hour
How to use on the hour in a sentence
Just the hard-on before you shoot unarmed members of the public.'Babylon' Review: The Dumb Lives of Trigger-Happy Cops|Melissa Leon|January 9, 2015|DAILY BEAST
France 24 is providing live, round-the-clock coverage of both scenes as they progress.
So here I am in my requisite Lululemon pants, grunting along to an old hip-hop song at a most ungodly hour.How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
Sands was involved in a scandalous-for-the-time romance with the carpenter and there were rumors she was pregnant with his child.New York’s Most Tragic Ghost Loves Minimalist Swedish Fashion|Nina Strochlic|January 8, 2015|DAILY BEAST
Three on-the-record stories from a family: a mother and her daughters who came from Phoenix.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
The night wore on, and the clock downstairs was striking the hour of two when she suddenly awakened.
Sleek finds it far harder work than fortune-making; but he pursues his Will-o'-the-Wisp with untiring energy.The Pit Town Coronet, Volume I (of 3)|Charles James Wills
The sound of my step shall make your heart jump; a look from me shall make you dumb for an hour.Checkmate|Joseph Sheridan Le Fanu
Words are often everywhere as the minute-hands of the soul, more important than even the hour-hands of action.Pearls of Thought|Maturin M. Ballou
After an hour, however, he reached this decision: He would not go to or call up Mrs. Merley.