What counts as a business day?
Weekdays only
Monday through Friday. Saturdays and Sundays are always excluded.
Federal holidays
Toggle to skip all 11 US federal holidays, including observed dates when they fall on weekends.
Common uses
Contract deadlines, shipping estimates, SLA tracking, legal filings, payroll cutoffs.
Frequently asked questions
What is 90 business days from today?
90 business days from today () lands on . Use the quick button above or the Add/Subtract tab for the exact date including holidays.
How do I calculate business days between two dates?
Use the "Days between dates" tab. Enter your start and end dates and click Calculate. The tool counts every Monday–Friday in the range. Enable the holiday toggle to exclude US federal holidays.
Does the calculator include the start date?
No — counting starts the day after the start date, up to and including the end date. This matches the standard convention used in legal and business contexts.
Which US federal holidays are excluded?
All 11: New Year's Day, MLK Jr. Day, Presidents' Day, Memorial Day, Juneteenth, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving, and Christmas. Weekend holidays shift to the nearest observed weekday.
How many calendar weeks is 30, 60, 90, or 120 business days?
30 business days ≈ 6 weeks · 60 ≈ 12 weeks (3 months) · 90 ≈ 18 weeks (4.5 months) · 120 ≈ 24 weeks (6 months). Use the quick-pick buttons at the top for instant answers.
Can I count workdays backward from a date?
Yes — switch to "Add / Subtract days", enter your reference date and number of days, then select "Subtract (past)" before calculating.