Add / Subtract Date Calculator
Add or subtract days, months, and years from a base date to discover the resulting calendar date and weekday.
Add or Subtract Date Calculator tips
Jump forward or backward by days, weeks, months, or years. Ideal for “what date is 90 days from today” style searches.
- Choose the unit (days, weeks, months, years) to move a base date.
- Great for contract reviews, warranty checks, and reminder planning.
- Combine with Working Days when you need a business-day shift instead of calendar days.
Can I subtract days?
Yes—enter a negative number to move backward from your chosen date.
Does month shifting keep the same day number?
We preserve the calendar day when possible and roll to the month end if that day does not exist.