Date Difference Calculator
Calculate the number of days, weeks, months, and years between two dates
Need to know how many days until your vacation, or how long it's been since a special event? This calculator computes the exact duration between any two dates.
Calculator Inputs
Results
Enter values above to see your results
How It Works
It counts the total number of milliseconds between the two selected dates and converts that into days, weeks, months, and years.
Tips & Best Practices
- •Use "Include End Date" if you want to count the total number of days involved (e.g., for a project duration).
- •This calculator accounts for leap years automatically.
Frequently Asked Questions
Does this account for time zones?
The calculation uses your local time zone for both dates, so it assumes the dates are in the same location.
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