¡TauDay! · 1:38am Jun 28th, 2016
¡Today is TauDay! It is a day devoted to the 1 True CircleConstant:
τ = ( c / r ) ≈ 6.28318530717959
It fall on this day because the decimal expansion looks like this date (yyyyy-06-28). For more information, go to TauDay.Com: