Date Difference Calculator
Easily find the time duration between any two dates. Enter a start and end date below to see the difference in years, months, and days, as well as the total number of days.
Calculate Date Difference
By default, the calculation counts full days (midnights) between dates. Check this to include the end date itself (e.g., Monday to Tuesday = 2 days).
Select two dates to calculate the difference
When to Use This Calculator
- Project Planning: Determine the number of days available for a project between its start and end dates.
- Event Countdown: Calculate how many days are left until an important event like a birthday, anniversary, or holiday.
- Age Calculation: Find the precise age of a person or the duration since a historical event occurred.
- Billing Cycles: Calculate the number of days within a specific billing period.
- Tracking Progress: Measure the time elapsed since a goal was set or a milestone was achieved.
Simply select your desired start date and end date using the calendar inputs. The calculator will instantly display the duration, breaking it down into years, months, and days, along with the total number of days between the two selected points in time.
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