I have a Date field setup as follows: http://screencast.com/t/Kieo4MQPhjI
But when the form is submitted, only the year is coming through on the entry: http://screencast.com/t/lIoj1gr7hL04
Every now and then a full birth date comes through no problems... Which is even stranger!
It's a multi-page form, and using a POST sniffer I can see that going from the 1st page (where Date field is) to the second page is fine - but going on to the 3rd page and the POST data gets messed up.
I'm wondering if this is a bug, but I note that the three drop downs have the same ID? Could that be messing with it, being a multipage form?