It is a calendar app million years.
You can view the calendar to 9999 AD from 0000 AD.
"Do what day of the week is my birthday 10 years later?"
I will help in the case such as "Let's take a look at the calendar of 100 years ago".
Time it takes to see the calendar of many decades away in the schedule application, but you can see decades earlier, hundreds of years from the calendar easily if this app.