noun
overtime pay; overtime money
Refers to the extra money paid for working beyond regular hours. Common in workplace and legal contexts.
今月の残業代はいつもより多かった。
This month's overtime pay was higher than usual.
残業代が出ない会社もある。
Some companies don't pay overtime.
手当 is a broader term for allowances or benefits, which can include overtime pay but also other types of extra payments.
Compound of 残業 (overtime work) and 代 (charge, fee).