Tomorrow is Odd Day

Ron Gordon, the teacher who brought us Square Root Day, wants everyone to celebrate another calendar event, Odd Day, which is tomorrow (7/9/11).

Odd Day is coming Saturday, 7/9/11. Three consecutive odd numbers make up the date only six times in a century. After 7/9/11, only two days remain in this parade of Odd Days which began with 1/3/5. The previous stretch of dates like this started with 1/3/1905---13 months after the Wright Brothers' flight. We've established a contest and are offering the date in dollars ($791.1) to be shared by the winners. Prizes will be distributed to those who involve the most people in the Oddest Parade of Odd Characters, write the best Odd Ode, or create the best Odd Celebrations.

I was one of the winners of a similar contest Gordon held to promote Square Root Day. Happy Odd Day! Link


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Three consecutive odd numbers appear 10 times by my count. Of course, three consecutive *ascending* odd numbers only six times. The six above, plus:

5/3/1
7/5/3
9/7/5
11/9/7

Of course, we've missed all those now.
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