Are weekends counted?

Yes, this counts all calendar days.

What does 'include end day' do?

It adds one day so both endpoints are counted.

Count the number of days between two dates.

Start dateEnd date

Include end day

364 days

Quickly count the days between two dates, with an option to include the end day.

Are weekends counted?: Yes, this counts all calendar days.
What does 'include end day' do?: It adds one day so both endpoints are counted.