Meaning of the word "every hour on the hour" in English

What does "every hour on the hour" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

every hour on the hour

US /ˈev.ri ˈaʊ.ɚ ɒn ðə ˈaʊ.ɚ/
UK /ˈev.ri ˈaʊ.ə rɒn ðə ˈaʊ.ə/
"every hour on the hour" picture

Idiom

at the exact beginning of every hour (e.g., 1:00, 2:00, 3:00)

Example:
The bus leaves every hour on the hour.
The news is broadcast every hour on the hour.