zero hour

zero hour

n.

The scheduled time for the start of an operation or action, especially a combat operation of great size. Also called H-hour.

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zero hour

n

1. (Military) Military the time set for the start of an attack or the initial stage of an operation

2. Informal a critical time, esp at the commencement of an action

Thesaurus

Noun

1.

zero hour - the time set for the start of an action or operation time of day, hour - clock time; "the hour is getting late"

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zero hour

noun moment of truth, crisis, turning point, vital moment, appointed hour, moment of decision Your zero hour has arrived.

Translations

zero hour n → ora zero