Year End Date From Text column

Hi All,

I have Column which has Year value its type is Text.

I want to extract Year end date based on this column values.

if i convert it to Date it is giving wrong dates or values.

Quick help is appriciated.

amitchandak 

VahidDM 

Greg_Deckler 

AlexisOlson 

Thanks in Advance.

Suyog