English version

zero hour in Military topic

From Longman Dictionary of Contemporary Englishzero hourหˆzero hour noun [singular] ๐Ÿ”Š ๐Ÿ”Š PMTIME/AT A PARTICULAR TIMEthe time when a military operation or an important event is planned to begin
Examples from the Corpus
zero hourโ€ข The resolution passed both houses before the zero hour and the President signed it.