Write the earliest date in the first square and the elder date in the secons square. Click the calculate button to start the calculation. When it is done with calculating the time between the two dates will be shown in th bottom square. Click on the button in the top right corner to change the result display to days.
GRAPHICS: Loading Bar: https://wheatley200001.deviantart.com/art/Windows-XP-Loading-Screen-Remake-419817831 https://www.microsoft.com