Add / Subtract Dates

Add or subtract days, months, and years from a date

Calculate future or past dates by adding or subtracting days, weeks, months, or years. Perfect for deadline calculations, project planning, age predictions, or counting down to events. Get exact dates with accounting for leap years and varying month lengths.

Date Calculator

How to Use

  1. 1 Enter a starting date or use today's date
  2. 2 Choose to add or subtract time
  3. 3 Enter number of days, weeks, months, or years
  4. 4 Click 'Calculate' to see the resulting date
  5. 5 Use for project deadlines, event planning, or date arithmetic