.AT 17 MINUTES and 40 secs previous eight at night, Greenwich Method Opportunity, on July 20th it will certainly be actually specifically 55 years because Neil Armstrong landed on the Moon. Those 55 years amount to 20,089 times. Of those, 20,062 were 86,400 secs long and also 27 one second longer thanks to the enhancement of surge seconds, a practice begun in 1972. So those 55 years are going to add up to 1,735,689,627 few seconds.