Operations

Business Days Date Calculator

The Business Days Date Calculator answers one question: how many working days between X and Y, or what date is N working days out (excluding weekends). Essential for delivery dates, project deadlines, and lead time planning. For full durations, calendar breakdowns, or adding months and years, use the Date Calculator instead.

Date Calculator

Formula

Target Date = Start Date ± Business Days (excluding weekends)

The calculator counts only Monday through Friday as business days. Optionally exclude holidays for more accurate planning.

Variable Definitions

Start

Start Date

The date to start counting from.

Days

Business Days

Number of business days to add or subtract.

End

Target Date

The calculated end date.

Example Calculation

Scenario: Order placed on Friday, January 10th with 5 business day delivery: - Start: Friday, January 10 - Business Days: +5 - Count: Mon 13, Tue 14, Wed 15, Thu 16, Fri 17 - Target Date: Friday, January 17

How to Interpret Your Result

Use business day calculations for: • Delivery date promises • Project milestone planning • Payment terms (Net 30, etc.) • Lead time calculations • SLA compliance tracking

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Frequently Asked Questions