Have you ever needed the exact date a certain number of days in the future? The Command-Line Fu site shows how to use the date command to calculate future (and past) dates. Using the date command is simple—just open a terminal window on your Mac, Linux, or Windows with Cygwin desktop, use the date command with the -d parameter, and pass in a number of date increments in the future in days, minutes
![Find a Future Date from the Shell](https://cdn-ak-scissors.b.st-hatena.com/image/square/788c4683fccf259b1d899753e250d1c05f52eb05/height=288;version=1;width=512/https%3A%2F%2Fi.kinja-img.com%2Fimage%2Fupload%2Fc_fill%2Cf_auto%2Cfl_progressive%2Cg_center%2Ch_200%2Cq_80%2Cw_200%2Fu0939doeuioaqhspkjyc.png)