DAYSCOUNTER Calculate Days
DATE & TIME CALCULATOR

Days Between Dates

Calculate the exact number of days between two dates. Get a clear breakdown in days, weeks, months, years, hours and minutes instantly.

✓ Free ✓ Instant ✓ Leap-year aware ✓ Mobile friendly

Calculate Days Between Two Dates

Choose your start and end dates to calculate the exact calendar difference.

Exact date difference
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Days Between Dates Calculator

The Days Between Dates Calculator helps you quickly determine how much calendar time exists between two dates. Select a start date and an end date and the calculator returns the exact difference.

You can use it for vacations, project timelines, birthdays, anniversaries, contracts, deadlines, events and many other everyday date calculations.

How to Calculate Days Between Two Dates

Select the starting date and ending date above, then choose Calculate Days. The result shows the total number of days and useful conversions into weeks, months, years, hours and minutes.

Does It Account for Leap Years?

Yes. The calculator works with real calendar dates, including February 29 during leap years. It also accounts for the different lengths of calendar months.

Example: If the start date is January 1 and the end date is January 31, the standard difference is 30 days. Selecting "Include the end date" counts both boundary dates and returns 31 days.

What Can You Calculate?

  • Days until a birthday, holiday or event
  • Days since a past date
  • Vacation and travel duration
  • Project and contract periods
  • Anniversary and milestone dates
  • Elapsed calendar time

Inclusive and Exclusive Date Calculations

By default, the calculator measures the difference between the two dates. Turn on Include the end date when you want the ending date counted as part of the period.

Frequently Asked Questions

How many days are between two dates?

Enter the two dates and the calculator will instantly calculate the exact calendar difference.

Does the calculator include leap years?

Yes. The calculator uses actual calendar dates and correctly handles leap years and February 29.

Can I include the end date?

Yes. Enable the Include the end date option to count the ending date in the result.

Is this calculator free?

Yes. The DaysCounter Days Between Dates Calculator is free to use.

Can I use it on my phone?

Yes. The calculator is responsive and works on smartphones, tablets and desktop computers.