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Date Difference Calculator Guide
Count the time between two dates — in years, months, and days, plus the totals in days, weeks, and months. Handy for deadlines, anniversaries, contracts, and planning.
It counts the exact number of days between the two dates, then breaks that span into complete years, months, and days using the real calendar.
How Do I Calculate the Days Between Two Dates?
Subtract the earlier date from the later one to get the number of days. The calculator also expresses that span as years, months, and days, and as total weeks and months.
What You Get
- Full breakdown in years, months, and days.
- Totals in days, weeks, and months.
- Any two dates, in either order.
Working out an age? Use the Age Calculator. Counting down to a future date? See Days Until.
Frequently Asked Questions
How do I calculate the number of days between two dates?
Subtract the earlier date from the later date; the result is the number of days between them.
Does it include both the start and end date?
It counts the gap between the dates, so the number of days is the span from one date to the other.
How do I find months between two dates?
The calculator counts complete months in the span and also shows the total number of months as a single figure.
Does the order of dates matter?
No — the calculator uses the absolute difference, so you can enter the dates in either order.
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