.AT 17 moments as well as 40 seconds past 8 in the evening, Greenwich Mean Opportunity, on July 20th it will be actually specifically 55 years due to the fact that Neil Armstrong arrived at the Moon. Those 55 years add up to 20,089 times. Of those, 20,062 were actually 86,400 secs long and also 27 one second longer due to the addition of jump secs, a technique started in 1972. So those 55 years are going to amount to 1,735,689,627 seconds.