What Did the “D” in D-Day Stand For During the Allied Landing in Normandy on June 6, 1944?

Although D-Day has become synonymous with the Allied landing on June 6, 1944, in Normandy, it was used many times before and since.

The D in D-Day simply stands for “day,” just as the H in H-Hour stands for “hour.”

Both are commonly used codes for the fixed time when a military operation is scheduled to begin.

“D minus thirty” means thirty days before a target date while “D plus fifteen” means fifteen days after.

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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