Neil Armstrong first walked on the Moon at 02:56 UTC on July 21, 1969 , about six hours after the Apollo 11 lunar module Eagle landed in the Sea of Tranquility on July 20.

Exact moment he stepped down

  • After landing at 20:17 UTC on July 20 , Armstrong and Buzz Aldrin performed systems checks and prepared for the moonwalk.
  • He climbed down the module’s ladder and set his left foot on the lunar surface at 02:56 UTC on July 21 , ut­tering the famous line: “That’s one small step for [a] man, one giant leap for mankind.”

Quick facts in a table

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DetailInfo
First step on Moon02:56 UTC, July 21, 1969
Module nameApollo 11 Lunar Module *Eagle*
Landing siteSea of Tranquility (Mare Tranquillitatis)
Total moonwalk timeAbout 2 hours 15–20 minutes, with Aldrin joining 19 minutes later
If you’re asking in a “trending forum” style, this milestone is still one of the most‑replayed and meme‑quoted moments in space‑history threads, often shared on July 20–21 each year. Information gathered from public forums or data available on the internet and portrayed here.