Math
Date Difference Calculator
Calculate the exact difference between two dates in days, weeks, months, and hours.
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Frequently Asked Questions
How many days between two dates?
Enter your start and end dates above and the calculator shows the exact number of days, weeks, months, and hours between them.
Does this calculator include the end date?
The calculation counts days from the start date up to but not including the end date. Add 1 to include both dates.