Date Calculator


  • To Calculate Time Between Two Dates: enter start and end dates.
  • To Calculate the Addition of Days to a Known Date: enter start date and number of days.
  • To Calculate the Subtraction of Days to a Known Date: enter end date and number of days.
  • The calculated result does not include the Start Date.
  • Some users with Internet Explorer may get an error message when clicking on the [Calculate] button after entering dates in the calculator. If this happens, go to Tools on the menu bar or click on the "gear" in the upper right corner of the browser, select Compatibility View settings, check that "ks.gov" appears in the box in the window that opens, click [Add], then [Close]. Try the calculator again. You may need to clear the cache in your browser also.
Date Calculations

Calculations Main Page