Date Difference Calculator
Count the years, months, days and total days between any two dates.
Runs entirely in your browser.
Calculate the Difference Between Two Dates
About Date Difference Calculator
The gap between two dates can be expressed two ways, and both are shown here. The calendar breakdown gives whole years, months and days; the totals give the same span counted purely in days, weeks or months.
The calendar breakdown is the one that surprises people. From 31 January to 1 March is one month and one day in a non-leap year, but the day count differs depending on the year - which is exactly why counting in months needs the calendar rather than arithmetic.
Other Date Tools
- Date Calculator — difference, arithmetic and age on one page
- Age Calculator — exact age and days to the next birthday
- Add or Subtract Days — date arithmetic
- Leap Year Checker — is a year a leap year, and why
- Day of the Week — weekday, day of year and ISO week
- Unix Timestamp — epoch seconds to and from a date
- Time Converter — seconds, minutes, hours, days, weeks
