H-hour

== English == === Alternative forms === H-Hour === Etymology === The H stands for hour; compare D-Day. === Noun === H-hour (plural H-hours) (figuratively) The hour at which any major event planned for the future is set to begin, as used in United States military. ==== Synonyms ==== zero hour ==== Coordinate terms ==== D-Day X-Day ==== Descendants ==== Norwegian Bokmål: klokken H ==== Translations ==== === Further reading === What does the "D" signify in D-Day, and the "H" signify in H-Hour?