H-Hour (redundant acronym of hour) was the name given to the beginning of the amphibious assault during the Normandy landings of World War II. H-Hour occurred at 6:30 a.m. local time on June 6, 1944.[1]

References

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  1. ^ Moon, Kat (June 4, 2019). "What Does the 'D' in 'D-Day' Stand For? Experts Disagree With Eisenhower's Answer". Time Magazine. Retrieved 5 May 2021.