Grandpa Richard Speaks

 
 
  Today is Pi day, named after the
  mathematically constant, Pi,
  which is approximately 3.14159.
 
  In celebration, one should share a
  pie with friends at exactly 1:59
  on March 14.
 
 
  (3.14159 = 3.14 (March 14)
  and 159 = 1:59 pm)