Date Difference Calculator
Calculate the difference between two dates
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How to Use Date Difference Calculator
- 1Select the start date and end date.
- 2The difference is calculated instantly in multiple units.
- 3View years, months, days, weeks, hours and total days.
- 4See weekday and weekend day counts.
About Date Difference Calculator
Calculate the exact difference between two dates in years, months, days, weeks, hours and minutes. Also shows total days, weekdays and weekend days. Useful for project planning, age calculation, duration tracking and deadline management.
Frequently Asked Questions
How are months calculated?
Months are calculated based on calendar months. If the start day is greater than the number of days in the target month, the last day of that month is used. This matches how most people think about month durations.
Does it account for leap years?
Yes. The calculator uses JavaScript's Date object which correctly handles leap years, including the leap day on February 29.
Can I calculate age?
Yes. Enter your birth date as the start date and today as the end date to calculate your exact age in years, months and days.