Days Between Dates
Free tool to calculate days between two dates. Find exact days, weeks, months, and business days between any two dates.
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How to Use the Days Between Dates
Select a start date and an end date. The exact difference in days, weeks, months, and years appears instantly.
About This Tool
Calculate the exact time between any two dates. Useful for deadlines, contract durations, countdowns, and anniversaries. Pair with the Age Calculator for birth date calculations.
Frequently Asked Questions
How is the number of days between dates calculated?
The calculator subtracts the start date from the end date to get the exact difference in days, then derives weeks, months, and years from that value. Business days exclude Saturdays and Sundays.
Is my data saved anywhere?
No. All calculations run locally in your browser. Nothing is sent to any server.
Is this calculator free to use?
Yes. Completely free with no signup required.