Date difference calculator

Count the days, weeks, and business days between two dates, or add days to a date.

Days between two dates

Start date End date Include end date

—Days

—Weeks and days

—Years, months, days

—Business days (Mon–Fri)

Date Operation Amount Unit

Business days are Monday to Friday and don’t account for public holidays. Turn on the end-date option to count both the first and last day.