zero hour

US /ˈzɪroʊ ˈaʊər/
UK /ˈzɪroʊ ˈaʊər/
"zero hour" picture
1.

waktu sifar, masa permulaan

the time at which a planned operation or event is scheduled to begin

:
The troops were ready for zero hour, awaiting the command to advance.
Pasukan bersedia untuk waktu sifar, menanti arahan untuk mara.
The launch countdown began, signaling that zero hour was approaching.
Kira detik pelancaran bermula, menandakan waktu sifar semakin hampir.