当直

duty shift

t o̞ː t͡ɕ o̞ k ɯ̟

noun Rare #33,568

duty shift An assigned period of work or watch, often in a security or military setting.

JA: 彼は今夜、当直です。

EN: He is on duty tonight.

当直の時間だ

It’s time for my shift.

— 天空の城ラピュタ (1986)

病院の当直よ

I'm on night duty at the hospital.

— 鶴は翔んでゆく (1957)

その警官は、その日は当直であった。

That police officer was on duty that day.

当直の兵数名が重傷です

Several soldiers on duty are seriously injured.

— 天空の城ラピュタ (1986)

Sounds similar to

到着 t o̞ː t͡ɕ a̠ k ɯ̟ 登録 t o̞ː ɾ o̞ k ɯ̟ 当局 t o̞ː kʲ o̞ k ɯ̟ 盗賊 t o̞ː z o̞ k ɯ̟ 投獄 t o̞ː ɡ o̞ k ɯ̟