New: Added Disqus comments. (January 11, 2012)
Note: This calculator stores these dates on your local machine only. Nothing is stored on the server and I will never see the dates that you have put in. If you clear your cookies, you will have to select the dates over again.
Please email me with any comments/concerns/questions.
Please consider donating if you use and like this calculator. If I raise enough money (approximately $99/year), I can make this page a secure page, something I would really like to do.