This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I would experiment with SimpleDateFormat outside the servlet environment until I got the desired result. Incidently, a SimpleDateFormat object is fairly expensive to create but can be used repeatedly if you keep it as an instance variable in your servlet. Just synchronize on it to avoid having two requests try to use it at once. Bill