Meaning of the word "work additional hours" in English

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

work additional hours

US /wɜːrk əˈdɪʃ.ən.əl aʊərz/
UK /wɜːk əˈdɪʃ.ən.əl aʊəz/
"work additional hours" picture

Phrase

to perform labor beyond the standard or agreed-upon time, often for extra pay

Example:
I had to work additional hours to finish the project on time.
Employees are often asked to work additional hours during the holiday season.