Business Days Calculator

Calculate the exact number of working days between two dates with our enterprise-quality business days calculator. Automatically excludes weekends and optionally excludes public holidays for over 50 countries. Perfect for project planning, deadline tracking, and timeline management.

First day of the period
Last day of the period
Business Days Result

64 Working Days

Between Dec 17, 2025 and Mar 17, 2026

Detailed Breakdown
90 Total Days
64 Business Days
26 Weekend Days
12.9 Weeks
12.8 Work Weeks

How to Use

  1. Select start date - Choose the first day of your period
  2. Select end date - Choose the last day of your period
  3. (Optional) Exclude holidays - Check the box and select your country
  4. Calculate - Get instant results with detailed breakdown

When to Use

Project Management

Calculate realistic project timelines by counting only working days. Essential for sprint planning, milestone scheduling, and deadline setting.

Contract Management

Determine exact business days for contract terms, service level agreements, and delivery schedules. Exclude country-specific holidays for accuracy.

HR & Payroll

Calculate working days for payroll periods, notice periods, and employee availability. Crucial for accurate time tracking and leave management.