Date Difference Calculator

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.