What does this calculator measure?

It measures the time between two dates in multiple units.

Can I include time of day?

This version focuses on dates; use the time difference output for hours and minutes.

Yes, date calculations account for leap years.

Yes, you can choose any valid start and end dates.

It uses the browser date functions for accurate differences.

Calculate the difference between two dates in days, months, and years.

Choose a start and end date to find the exact time difference. This free online date difference calculator delivers instant results.

Start Date

End Date

It compares the start and end dates, then converts the difference into years, months, days, and hours.

The calculator uses the calendar date difference and converts it into multiple time units for clarity.

Use this free date difference calculator to count days between dates, plan timelines, and measure project durations with ease.