Utility July 13, 2026 · 8 Min Read

Business Days Calculator – Guide & Formulas

Calculate the exact number of business days (working days) between two dates, excluding weekends and public holidays.

Calculate contract timelines, financial settling periods, or delivery schedules. This Business Days Calculator counts the exact number of days between two dates, automatically skipping Saturdays, Sundays, and major customizable holidays.

Key Takeaway

Use the free Business Days Calculator to calculate the exact number of business days (working days) between two dates, excluding weekends and public holidays. Get instant results with step-by-step explanations.

How to Use the Business Days Calculator

  1. Enter the starting date and ending date.
  2. Select which days of the week constitute your weekend (default is Saturday & Sunday).
  3. Select whether to exclude national public holidays.
  4. Get the precise count of net business days.

The Formula

Business Days count includes only days matching selected workdays, subtracting configured holiday matches.

Variable Definitions

  • Weekends: Days specified as non-working weekend days
  • Holidays: Public holidays falling within the selected range

Business Days in July 2026

A freelancer wants to count their billable working days between July 1 and July 31, 2026.

  1. Step 1: Start Date = July 1, End Date = July 31, 2026.
  2. Step 2: Total calendar days is 31.
  3. Step 3: July has 8 weekend days (4 Saturdays, 4 Sundays).
  4. Step 4: July 4 (US Independence Day) falls on a Saturday, so observed on Friday, July 3 (if active).
  5. Step 5: Net working days is 23 (or 22 with holiday adjustment).

Frequently Asked Questions

What holidays are automatically excluded?

Standard major US federal holidays (New Year, Memorial Day, July 4th, Labor Day, Thanksgiving, Christmas) are supported. You can turn holiday exclusion on or off, or manually add custom holiday counts.