Until a very late hour of the night or early hour of the morning.
Johnny keeps taking the car and staying out until all hours, and I just don’t know what to do anymore!
My boyfriend lives in another state, so to make up for the long distance, we stay up talking until all hours of the day and night.
Frequently Asked Questions (FAQs)
The idiom ‘until all hours (of the day and night)’ means “to deal with a difficult situation without being harmed or damaged”
Example usage of idiom ‘until all hours (of the day and night)’: Newspapers have weathered the storm of online information by providing news online themselves.