Count calendar days, business days, weekend days, weeks, months, and years between two dates. Include the end date or exclude holidays when needed.
Enter dates to exclude from business days (YYYY-MM-DD), one per line.
Ready to calculate
Select your start and end dates to see the difference.
Within which, there are:
The answer depends on the counting rule. The standard date difference counts the days that have elapsed after the start date. An inclusive count includes both the start and end dates. This calculator shows the result as total calendar days, business days, weekend days, weeks, months, and years.
Friday to Monday is three elapsed calendar days. The business-day result can differ because weekends are excluded and because including the end day changes which boundary dates are counted.
“Total days” is the clearest figure for deadlines and schedules. The years, months, and days breakdown is a calendar-style description of the same interval, so it may not convert back using a fixed 30-day month. For legal, tax, immigration, or contractual deadlines, check the official rule because organizations may define the first day, last day, weekends, and holidays differently.
Select a start date and an end date, then click Calculate Difference. The tool shows years, months, weeks, total calendar days, business days, and weekend days.
Turn on Include end day when both the start and end date belong to the period. Leave it off when you want only the time elapsed from one date to the other.
Yes. Choose Business Days Only to count Monday through Friday. You can also enter holidays in YYYY-MM-DD format to exclude them.
Yes. The calculation uses the actual dates entered, including leap years and months with 28, 29, 30, or 31 days.