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Name: International Moon Day (Annual)
Start: 2030-07-20T00:00:00-10:00
End: 2030-07-20T23:59:59-10:00
Location: Global / Inter-Global

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Viking 1 Mars Lander 54th Landing Observation Anniversary

July 20, 2030

Nationwide USA

First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 54 years ago; originally scheduled for July 4, landing was delayed until this day in 1976 due to rough landing site.

International Moon Day (Annual)

July 20, 2030

Global / Inter-Global

Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations since 2022.

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Established in 1976, Space Age Publishing Company operates its Hawaiʻi (1988) and California offices. Space Age publishes Space Calendar weekly since 1983 and Lunar Enterprise Daily, and pursues a business plan consistent with establishing a third office on the Moon.

Land Your Name + Message
on the Moon!

For a limited time you can send your name & message to the lunar surface on the Astrolab FLIP mission and the ILOA ILO-1 mission in 2026-2027.

ILO-1 will be mounted on the Astrolab FLEX rover lightbar, and operate on the Moon for 1+ years — broadcasting Space Calendar and messages back to Earth along with near real-time images of the celestial sky and the Moon, on a weekly basis.

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