Date Difference
Find the number of days between two dates.
About this tool
Deadlines and leases are all about the span between two calendar dates. This free date difference calculator counts days (and related units). Pick start and end dates, see the duration locally, and plan projects or travel without finger-counting on a wall calendar.
How to use
- Select the start date.
- Select the end date.
- Calculate the difference in days and related units.
- Use the span for contracts, sprints, or trip planning.
Frequently asked questions
Conventions differ (nights vs days). Check whether the tool counts inclusive calendar days and adjust for hotel-night logic if needed.