Date Diff Calc

计算差值两个日期之间，无论是在过去或将来。

Calculate the difference between two dates, either in the past or future.

The result is given in:

- years months days

- weeks days

- days

You can favourite a date, so you can use this for several calculations and you do not have to enter the date each time.

It remembers the last calculation you made, and it remembers special days like yesterday, today, and tomorrow.

A few usage example:

- calculate how long you have to revise for an exam.

- calculate the age of your baby in weeks

- calculate the age of your grandchildren

- calculate how long until your holidays

- calculate how long until your due date