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Unit Converters · Free tool

Date Difference Calculator

Find the exact number of days, weeks, months, or years between any two dates. Free, private, mobile-friendly.

Updated April 2026

Difference

30 days

Total days

30

Total weeks

4

Total hours

720

Total minutes

43,200

Weekday breakdown

Sunday

4

Monday

5

Tuesday

5

Wednesday

4

Thursday

4

Friday

4

Saturday

4

What it does

Measure the gap between any two dates. Enter a start and end date and the calculator returns the difference in years/months/days, plus the total in days, weeks, hours, and minutes. It also breaks down how many Mondays, Tuesdays, etc. fell inside the range.

Useful for counting days until a deadline, tracking anniversaries, tallying vacation days, or checking gaps in employment history. For duration between two clock times see time duration calculator; for age-specific math, age calculator.

How to use it

  1. Pick a start date.
  2. Pick an end date.
  3. Read the human-friendly duration at the top.
  4. Scroll down for weekday breakdown and total hours/minutes.