DayDetails.com

DayDetails.com is a free web service that lets you check various interesting facts and details about your birthday or any other date. You can quickly find out how old you are according to Islamic, Iranian, and many other calendars. What your age would be in different places or even on the other planets, learn your astrological sign based on many various Zodiacs, as well as amusing details such as how many seconds you are alive and when is your anniversaries coming up.