The great thing about being given 6 hours to do a 6 week job is that you know it's impossible. So you say "I'm going to need to work from home". Then off you go to the beach. Or a job interview. Pull a Paula [1]. Then come back and say "Oh it's waiting for app store approval".

[1] http://thedailywtf.com/articles/the_brillant_paula_bean