Date Difference Calculator
Days between two dates
To find the gap between two dates, subtract the earlier from the later. Pick a start and end date below to see the difference in days, weeks, months, and years — plus the number of business days (weekdays only).
—
Weeks
—
Months (approx)
—
Years (approx)
—
Business days
—
weekdays only
Weekend days
—
Full breakdown
—
Frequently asked questions
How do I calculate days between two dates?
Subtract the earlier date from the later. This tool also shows weeks, months, years, and business days.
What are business days?
Weekdays (Mon–Fri), excluding weekends. Public holidays are not accounted for.
Does it include both endpoints?
The count is the number of nights between the dates. Add one to include both start and end days.