You need to the life of the calculator
Want to know how many days has been life on earth?
Want to know if you live to be 120 years old still can live how many days?
Want to feel the life goes on?
Quick try this life calculator, can help you calculate how many days you have been together, how many days can also life.

Usage:
1. Enter your birthday
2, input you want to live to age
3, click an arbitrary starting area
For has passed life 4, red, green, for the rest of the life

Isn't it interesting, come and try it ~. ~
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