Some of my relatives live in Ohio. I've visited there for several weeks at a time, and planned many things using correct dates. I never heard anyone exclude the month and just use 2012 or 2011.
The city I live in, "Want to be Gangsters" fail at the following
Date
Grammar
Life
School
-
So you pick up what they say, it's catchy. I'm sorry for the inconvenience, it is now corrected.