FREE TOOL
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates.
Same day
The start and end dates are the same.
Why Use Our Date Difference Calculator?
Exact Day Count
Shows the precise number of days between any two dates including the start and end date.
Weeks, Months, and Years
Results include the difference expressed as weeks, full months, and full years alongside the total day count.
Working Days Included
Counts Monday through Friday days separately so you can see how many business days fall between the two dates.
Weekend Day Count
Also shows the number of Saturday and Sunday days in the range for complete scheduling information.
Any Date Range
Works for any pair of dates - past or future, years apart or days apart. No limit on the range.
100% Private
All calculation happens in your browser. No dates are sent to any server.
Frequently Asked Questions
How do I find the number of days between two dates?
Enter your start date and end date using the date pickers. The result shows days, weeks, months, and years between them instantly.
Does it count the start date and end date?
The calculator counts calendar days between the two dates. If you need to include both endpoints, add 1 to the total day count.
How are working days calculated?
Working days count Monday through Friday only, excluding Saturdays and Sundays. Public holidays are not excluded as they vary by region.
What if my end date is before my start date?
The calculator still shows the difference but notes that the end date is before the start date. The numbers shown are the absolute difference.
How accurate is the month count?
The calculator shows complete calendar months between the two dates. Partial months at the start or end of the period are not counted.
Is this date calculator free?
Yes. Completely free with no sign-up or account required.
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