About the Date Difference Calculator
How many days until a deadline, between two events or in a contract period? Enter two dates to get the total days, a years-months-days breakdown, weeks and business days. Include the end date when counting inclusive periods such as hotel nights or rental days.
How to use it
- Enter start and end dates.
- Tick “Include end date” for inclusive counting.
- Read days, weeks, business days and more.
Good to know
- Business days exclude weekends only; public holidays vary by country and are not removed.
- Daylight saving changes do not affect day counts.