Someone whose paid hours are wholly or mostly variable from one pay period to the next under their contract, such as most zero-hours, casual, or bank staff. If your contract sets fixed hours, you are not an irregular hours worker even if your actual shifts vary.
For example, someone on a zero-hours contractA contract that offers no guaranteed hours of work. You attend only when required, and you can turn down work that's offered. You're usually a worker rather than an employee under this kind of contrac... whose shifts and pay vary week to week is an irregular hours workerSomeone whose paid hours are wholly or mostly variable from one pay period to the next under their contract, such as most zero-hours, casual, or bank staff. If your contract sets fixed hours, you are ..., even if some weeks happen to look similar to others.