Date Difference Calculator
Find out exactly how many days, weeks, months, or years are between two dates.
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total days
Weeks
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Months (approx.)
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Years, Months, Days
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How this works
This tool calculates the exact number of calendar days between two dates, then converts that into weeks, an approximate month count, and a precise years/months/days breakdown that accounts for varying month lengths.
Does this include both the start and end date?
The day count reflects the number of days that pass between the two dates, not an inclusive count of both endpoints.