Date Difference Calculator

Calculate the difference between two dates in various time units with our free online calculator.

Calculate Date Difference

Enter two dates to calculate the time difference between them in multiple units.

Start Date

End Date

About Date Difference Calculation

Our date difference calculator provides accurate calculations by:

Handling leap years and varying month lengths correctly
Providing results in multiple time units for easy understanding
Calculating both absolute differences and human-readable formats
Supporting any date range from past to future dates