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Business days before a date calculator

Subtract N business days from a date while skipping weekends and optional excluded dates.

Use tool

🔒 Inputs are processed locally in your browser.

How to use this tool

Subtract N business days from a date while skipping weekends and optional excluded dates.

  1. Set Target date, Business days, Excluded dates (optional).
  2. Use Calculate to process the input.
  3. Compare the result with your source data and return to the input to make corrections.

Input and settings example

1 business day before Monday, 2026-09-07 → Friday, 2026-09-04, with no excluded dates.

The base date is not counted. Weekends and entered excluded dates are skipped. Add public holidays when needed.

Related tools

Date, business day & time tools — browse all tools in this topic

Business days from a date calculatorAdd N business days to a start date while skipping weekends and optional excluded dates.Open  →Business days calculatorCount weekdays between dates with optional custom excluded dates.Open  →3–5 business days date range calculatorConvert a business-day range such as 3–5 days into earliest and latest calendar dates.Open  →Date add / subtract calculatorAdd or subtract days/weeks from a date.Open  →

Related references: ISO 8601 · Date formats · World calendars