The 40th anniversary of Armstrong's first step on the Moon is coming up! On 1-01-01 ∇ 00:00:00 (Lunar Standard Time) Neil A. Armstrong set foot upon Luna.
So, the 40th anniversary of this event is on 41-01-01 ∇, Lunar reckoning.
Day 12: Schmitt
Lunar dates tokeep track off!
Chandrayaan-I 40-11-28 ∇
40th anniversary! 41-01-01 ∇
Lunar mission! 41-06-26 ∇