Date Calculator
Count days between dates or add and subtract days, weeks, months and years.
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About the Date Calculator
Date Calculator finds the exact difference between two dates in years, months and days, total days, weeks and business days. It can also add or subtract any period from a date to find deadlines and due dates.
How to use the Date Calculator
- To count days, enter a start and end date.
- To find a future or past date, enter a date and the period to add or subtract.
- Read the results instantly.
Frequently asked questions
Is the end date included?
The difference counts days between the dates, not including the end date. Add 1 if you need to include both.
Are public holidays excluded from business days?
No. Business days count Monday to Friday only.