Question

wee hours I was up until the wee hours trying to finish the project.

Accepted Answer

This idiom refers to the early hours of the morning, between twelve o’clock at night and the time when the sun rises.

Phrase/Idiom	wee hours
Definition	This idiom refers to the early hours of the morning, between twelve o’clock at night and the time when the sun rises.
Example	I was up until the wee hours trying to finish the project.

Hours Wee Idiom Refers Early Morning Twelve O’clock