Date Calculator
Count the days between two dates, or add and subtract years, months, weeks and days from a date — all in one calculator.
This tool runs entirely in your browser.
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How to use the Date Calculator
- 1Choose “days between”, “add” or “subtract”.
- 2Enter the dates or amounts.
- 3Read the result.
What is the Date Calculator?
Adding months keeps the same day of the month where possible; 31 January + 1 month gives the last day of February.
Frequently asked questions
Does it include the end date?
The difference counts nights between the dates (like hotel stays). Use the Date Difference Calculator to include both days.
Is the Date Calculator free and private?
Yes. The Date Calculator is free, needs no account, and runs entirely in your browser. What you type is never sent to a server or stored.
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All calculators →- Date Difference CalculatorExact time between two dates.
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