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Days Between Two Dates

Find the exact number of days, weeks, and months between any two dates. Just pick a start date and an end date, and the calculator does the rest — no manual counting on a calendar required.

Total Difference
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Days
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Weeks
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Months
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Years

How This Calculator Works

Enter any start date and end date — past or future — and the calculator instantly returns the exact gap between them in total days, along with the equivalent in whole weeks, months, and years. This is useful for tracking project timelines, calculating someone's exact time employed, measuring a pregnancy or relationship milestone, or simply settling a debate about how long ago something happened.

The order of the dates doesn't matter — enter them in either sequence and the calculator will always show a positive result representing the distance between the two.

Frequently Asked Questions

Enter your start date and end date above, then click Calculate — the tool instantly shows the total days, weeks, months, and years between them.
No. Whether you enter the earlier date first or the later date first, the calculator always returns the positive distance between the two dates.
Yes, both dates can be in the past, the future, or a mix of both — the calculator works the same way regardless.
Months and years are shown as whole, completed units based on the total day count, so partial months or years are reflected only in the day total.

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