"Today, it is exactly 23 years, nine months, 20 days; or 8,695
days; or 751,161,600 seconds; or 12,519,360 minutes; or 208,656
hours; or just less than 1,242 weeks since the launch of the
original IBM PC on 12 August 1981.
"A wonderful service on timeanddate.com told us so. This site
provides a number of almost useful calculators that determine such
timely things as the duration between two dates, or when
alternative birthdays (such as when you are 1 billion seconds old)