休日 きゅうじつ出勤 しゅっきんでしょう
kyūjitsu shukkindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 休日出勤

1. Probably working on a day off.; Likely to have to work on a day off.

Polite
Presumptive
Conjecture