.AT 17 mins and 40 few seconds past eight in the evening, Greenwich Way Time, on July 20th it will definitely be precisely 55 years since Neil Armstrong arrived on the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were 86,400 seconds long and 27 one second longer due to the enhancement of surge few seconds, a strategy started in 1972. So those 55 years will certainly add up to 1,735,689,627 seconds.