I can recite 20 digits from memory! See you tau day! ___________________________________________ ___________________________________________Pi day facts: Tau is two pi and is June 28th! we celebrate by eating two pies instead of one! Pi even has a specific time 3.14 is the day and 1:59 is the time. Tau time is 11:01 Pi will never, ever end! see how many digits you can memorize!