Did you always want to know which day of week you or one of your friends was
born? This iPhone web application calculates the day of the week for any
date in the past and the future. It's useful to plan your holidays and trips
or just find out the day of week for your next anniversary.
How to install
There is no need to install this aplication on the iPhone. Just open
weekday.speedymarks.com
in the Safari browser. You can add it to
the home screen by clicking the little plus at the bottom browser bar: