Jira automation: How to increment a Date Field by Business Days Based on a Custom Number Field

Summary

Learn to use Jira automation to increment a date based on a custom number field, excluding weekends

Solution

Use case:

Automatically update the Due date based on a number custom field and the creation date, excluding weekends. For example, if an issue is created on September 25, 2024, and the custom number field specifies 4 days (named daysWorking in below example), the due date should be set to October 1, 2024.

To achieve this, you can utilize the below smart value expression on an Edit field action in your rule.