Days Between Dates

Count the days, weeks, months and business days between two dates.

Start dateEnd date

Include the end date (+1 day)

Days—

Weeks—

Full months—

Business days—

Should you include the end date?

By default the calculator counts the days between the dates, so Monday to Friday is 4 days. If you count both the first and the last day, such as for a hotel stay counted in days or a leave request, tick "Include the end date" and Monday to Friday becomes 5 days.

Frequently asked questions

How many days are in a year?

A regular year has 365 days. A leap year has 366 days.