Count Days Between Any Two Dates

Free date difference calculator that counts the number of days, weeks, months and years between any two dates, with a separate mode to add or subtract days from a given date. It also reports working days by excluding weekends and optional public holidays for the US, UK, Russia or EU.

How to count days between dates

1
Pick the start date

Use the first date picker to select your starting calendar day.

2
Pick the end date

Select the second date — the order does not matter, the tool normalises them.

3
Review the breakdown

Read the difference in years/months/days plus totals in weeks, hours and seconds.

4
Check business days

Select a holiday set to exclude national holidays from the working-day count.

5
Or use add/subtract mode

Switch tabs to shift any date forward or back by days, weeks, months or years.

Calculate days, weeks, months or business days between two dates — plus add or subtract days from any date.

Result date
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