Workday Calculator Business days between two dates — exclude weekends & custom holidays Definition Counts working days (Mon–Fri) between a start and end date, optionally excluding specified holidays. Calculator Start date End date Count both start & end dates (inclusive) Exclude weekends (Sat & Sun) Holidays (optional) Supports YYYY-MM-DD, MM/DD/YYYY, or common date strings. Invalid lines are ignored with a warning. Calculate Clear Copy Result Result / Log