[colimbarna]

3.14 is about 0.00159 less than pi, whereas 22/7 is about 0.00126 greater than pi, making pi approximation day closer to pi than pi day.

[noman-land]

This is the research I come here for.

[simondw]

Sure, but by undershooting you can simply wait until the time is 1:59:26.53589793 to celebrate.