.AT 17 MINUTES and 40 seconds previous eight at night, Greenwich Mean Opportunity, on July 20th it are going to be actually specifically 55 years due to the fact that Neil Armstrong came down on the Moon. Those 55 years amount to 20,089 times. Of those, 20,062 were 86,400 secs long and 27 one second longer due to the enhancement of leap secs, a practice started in 1972. So those 55 years will definitely amount to 1,735,689,627 few seconds.