PrimeUtil

Business Days Calculator

Calculate business days and total calendar days between any two dates. Ideal for deadlines, delivery windows, and planning.

Enter dates separated by comma or space. Example: 2026-01-26, 2026-08-15

Features

  • Mon-Fri working day count
  • Inclusive date range logic
  • Parallel calendar day count
  • Useful for office and academic work

Frequently Asked Questions