Date & Time calculator

Add or Subtract Business Days Calculator

Find a working-day deadline without manually skipping weekends and entered public or company holidays.

Calculated privately on your device
No account. Formula and assumptions are shown below.

Calculator inputs

Business-day date details

days
More optionsCurrency and calculation settings
Optional. Separate multiple YYYY-MM-DD dates with commas.
Formula & disclaimer

Result Date = Start Date Β± Entered Business Days, skipping Saturdays, Sundays and entered weekday holidays

View assumptions
Formula reviewCalcs at Hand Editorial TeamVerified 1 September 2026 Β· automated checks included

How to read this result

Three useful checks, kept deliberately short.

What this result includes

The result shows the working-day deadline and total calendar days moved.

A practical example

Add ten business days to a selected date: Start counting on the following calendar day Β· Skip Saturdays and Sundays Β· Skip any entered weekday holidays.

Common input mistake

Only holidays entered by the user are excluded; the calculator does not download a jurisdictional holiday calendar.

Formula and assumptions

Result Date = Start Date Β± Entered Business Days, skipping Saturdays, Sundays and entered weekday holidays

The starting date is not counted as the first business day.

Keep in mind: Confirm contractual, court, banking or statutory deadlines with the applicable official calendar and counting rules.

Produced byCalcs at Hand Editorial Team
Last formula check1 September 2026
Review methodKnown examples + boundary cases
Editorial and correction policy β†’