Work Days Between Two Dates Calculator

This Work Days Between Two Dates Calculator counts the actual working days in a date range, not just the total calendar days. Enter a start date and end date, choose whether to include each boundary date, decide which weekend days to exclude, choose whether to remove U.S. federal holidays or custom non-working dates, and set work hours per day to estimate total working hours.

Work Days Between Two Dates Calculator

Count work days, weekend days, U.S. federal holidays, custom non-working dates, and estimated work hours.

U.S. federal holiday calculations use observed federal holidays for Monday-Friday schedules. Actual work schedules, state holidays, court holidays, school calendars, company holidays, and union schedules may differ.

Share this?

How to use this work days calculator

Start by entering the first and last date of the period you want to count. The calculator can count both dates, exclude the start date, exclude the end date, or exclude both. This matters for deadlines, payroll periods, project timelines, and service windows because different rules count date ranges differently.

What the inputs mean

Start date: The first date in the range.
End date: The last date in the range.
Include start date: Counts the start date if it is a work day.
Include end date: Counts the end date if it is a work day.
Exclude Saturday / Sunday: Removes selected weekend days from the work day count.
Holiday setting: Lets you exclude no holidays, observed U.S. federal holidays, custom dates, or both.
Custom holidays or non-working dates: Optional dates you want removed from the work day count, entered one per line in YYYY-MM-DD format.
Work hours per day: Used to estimate total work hours from the work day count.

What the results show

The main result shows the number of work days in the selected range. The result also shows estimated work hours, calendar days counted, weekend days excluded, U.S. federal holidays excluded, custom dates excluded, the weekend setting used, and the holiday setting used.

When to use custom non-working dates

Use custom dates when your real schedule does not match the standard federal holiday calendar. This is useful for company holidays, PTO days, office closures, school breaks, union schedules, court closures, plant shutdowns, or any date your team does not work.

Important note about holidays

The built-in holiday option uses observed U.S. federal holidays. It does not automatically include state holidays, bank-specific holidays, court holidays, school calendars, stock market holidays, company holidays, or local closures. Add those dates manually if they should be excluded.