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Date Difference Calculator

Calculate the number of days between two dates

📊 Result Chart

About Date Difference Calculator

How many days until the deadline? When does the contract expire? Days until your next birthday? Enter two dates for instant day, week, and month counts.

How to Use

  1. Select start date
  2. Select end date
  3. Click Calculate to see days between

FAQ

How to count days between?

End date minus start date. Leap years (Feb 29) affect results crossing February.

Include start or end?

Both are common. Our calculator defaults to inclusive (start+end) = total elapsed.