how long was buzz aldrin on the moon
Buzz Aldrin was on the Moon’s surface for about 21 hours and 36 minutes in total, with roughly 2.5 hours spent outside walking on the Moon during the moonwalk (EVA).
Quick Scoop: How Long Was Buzz Aldrin on the Moon?
Buzz Aldrin, the second person to walk on the Moon during Apollo 11, spent nearly a full day on the lunar surface alongside Neil Armstrong, though only a few of those hours were spent actually walking outside the lander.Key Timeline at a Glance
- Lunar Module Eagle lands on the Moon: 20:17:39 UTC, July 20, 1969.
- Moonwalk (EVA) hatch opens: 02:39:33 UTC, July 21, 1969.
- Neil Armstrong steps onto the surface: 02:56:15 UTC.
- Buzz Aldrin steps onto the surface: 03:15:16 UTC (about 19–20 minutes after Armstrong).
- Aldrin goes back inside the Lunar Module: 05:01:39 UTC.
- Hatch closed, EVA ends: 05:11:13 UTC.
- Lunar Module ascent liftoff from the Moon: 17:54:00 UTC, July 21, 1969.
From touchdown to liftoff, Armstrong and Aldrin were on the Moon’s surface for 21 hours 36 minutes. Aldrin’s time walking outside in his suit was about 1 hour 46 minutes, within a roughly 2.5‑hour moonwalk shared with Armstrong.
Breaking Down “On the Moon” vs “Walking on the Moon”
When people ask “how long was Buzz Aldrin on the Moon,” they might mean two slightly different things:- Total time on the Moon’s surface: From landing of Eagle to liftoff back into lunar orbit, Aldrin and Armstrong were on the Moon 21 hours 36 minutes.[5][7]
- Time actually walking on the surface: Their single moonwalk (EVA) lasted about 2.5 hours in total, during which Aldrin spent roughly 1 hour 46 minutes physically outside on the lunar soil.[3][5][7]
Mini Story: From “Magnificent Desolation” to Liftoff
After Neil Armstrong’s famous first step, Buzz Aldrin descended the ladder and stepped onto the Moon, describing the view as “magnificent desolation.” During their short but intense EVA, they set up experiments, took photos, planted the U.S. flag, spoke with President Nixon by radio, and collected about 47.5 pounds (21.5 kg) of lunar rocks and soil. All of this had to be done carefully and quickly: their suits, life support, and schedule were tightly limited, making every minute outside the lander precious.Once the work was done, Aldrin climbed back into the Lunar Module first, followed by Armstrong, and they sealed the hatch and ended the EVA a little over two and a half hours after first opening it. They then spent the rest of their time on the surface resting, stowing samples, and preparing for liftoff before launching the ascent stage back into lunar orbit to rendezvous with Michael Collins in the Command Module Columbia.
Is This Still a “Trending Topic”?
Even decades later, Apollo 11 and Buzz Aldrin’s time on the Moon still pop up in forum discussions, documentaries, and anniversary coverage, especially around July each year. Recent retrospectives and interviews for major anniversaries (like the 50th in 2019 and the 55th in 2024) keep the details of exactly how long the astronauts were on the surface in the public conversation. In online communities focused on space history, people often share detailed mission timelines and debate small timing details, but they all converge on that ~21 hours 36 minutes figure for time on the surface and roughly 2.5 hours for the EVA.Quick FAQ Style Recap
- How long was Buzz Aldrin on the Moon’s surface?
About 21 hours 36 minutes from landing to liftoff.
- How long was he actually walking on the Moon?
Around 1 hour 46 minutes within a single moonwalk of roughly 2.5 hours total.
- Did Aldrin go out first or second?
Second—he followed Neil Armstrong about 19–20 minutes later.
Information gathered from public forums or data available on the internet and portrayed here.