Meaning of the word "by day" in English

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

by day

US /baɪ deɪ/
UK /baɪ deɪ/

Phrase

during the day; in the daytime

Example:
The owls hunt by day and sleep at night.
It's too hot to work outside by day in the summer.