The Partner Working Calendar module extends Odoo Contacts by allowing you to assign a Working Calendar to each partner or partner address. It integrates with Odoo's Resource Calendar to define business hours, working days, breaks, and holidays for customers, vendors, depots, or other partner locations. This helps maintain accurate operating schedules and can be used by other modules for scheduling, routing, or availability checks. The module adds the calendar field directly into partner forms, lists, and search views for easy management..