Dayz is a powerful tool to keep the track of important dates and see how many days passed since some specific date or how many days are still left till some other date.

Ever wondered when you should celebrate your ‘10000 days birthday’ or how many days have passed since your graduated university? With Dayz it is very easy to find answers to these and many other date-calculation-related questions!

http://orangesoftware.ru/en/android/dayz