Odd Day

Annual event.

Dates:
2005Jan 3Mon
2007Mar 5Mon
2009Jul 5Sun
2013Sep 11Wed
2015Nov 13Fri
2105Jan 3Sat
Inception Year:
2005
Hashtags:
References:
oddday.net
sfchronicle.com/…/Last-time-this-century-for-Odd-Day-Happy-11-13…