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Add or Subtract Days from a Date

Add or subtract any number of days from any starting date. Enter a positive number to move forward or a negative number to go back.

FreeAny DateCalendar Days

Add or Subtract Days

2026-03-21 + 30 days

Monday, April 20, 2026

Adding 30 calendar days to 2026-03-21

Common uses

  • Calculate warranty expiry from purchase date
  • Find payment due dates (Net 30, Net 60)
  • Determine trial period end dates
  • Find notice period end dates