WORKDAY.INTL Function in Excel: Due Date With Your Own Weekend

⏱ 1 min readUpdated 28 September 2026

DateLevel: ExpertAvailable in: Excel 2010+

In this article
  1. Syntax
  2. Examples
  3. Example 1
  4. Related functions

WORKDAY.INTL adds working days with a custom weekend — delivery or SLA dates for a six-day operation.

Syntax

=WORKDAY.INTL(start, days, [weekend], [holidays])
Argument What it means
days Negative to go backwards.

Examples

Example 1

=WORKDAY.INTL(A2, 5, 11, Holidays)

Five working days later, Sundays and holidays off.

WORKDAY · NETWORKDAYS.INTL

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