Calculate working days between dates or add business days to a date, excluding weekends and holidays.
Automatically exclude Saturdays and Sundays from your business day calculations.
Optionally exclude US federal holidays (2025-2026) from your working day count.
Accurately calculate project timelines, delivery dates, and business deadlines.
Business days (also called working days or weekdays) are Monday through Friday, excluding weekends and optionally public holidays.
When you enable holiday exclusion, the calculator skips US federal holidays including New Year's Day, MLK Day, Presidents' Day, Memorial Day, Juneteenth, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving, and Christmas for 2025-2026.
Use the "Add Business Days" mode. Enter your project start date, the number of working days needed, and enable weekend/holiday exclusion. The result will show your deadline date.
Yes! In "Add Business Days" mode, select "Subtract (-)" operation to count business days backwards from your start date.