Using calendars

To use calendars, you must link calendar codes to resources and availability types to the type of activity for which the resource is used.

To view the available combinations of calendar codes and availability types, start the Calendar Availability Types (tcccp0150m000) session. You can sort the records by calendar code or by availability type.

If a package in LN requires calendar data for some resource, LN searches for an applicable calendar code for that specific resource. If no calendar is linked to that resource, LN searches for calendars at higher levels, up to the company calendar.

For example, in Manufacturing, LN checks whether a calendar code is linked to a work center. If no calendar code is linked to the work center, LN checks the enterprise unit and if no calendar is found there, the company. If LN does not find a calendar code, no planning takes place. The company calendar is always at the end of the search path.

This table shows how to link calendars to the most general resources:

The following sections show how to use calendars in various parts of LN.

In the People module, you can link calendars to teams of employees.

For more information, refer to Calendars in People.

In Warehousing, you can use calendars to indicate the opening hours of warehouses.

For information on how LN calculates the planned delivery date and the planned receipt date of a warehousing order, refer to Determination of calendar correction

In Freight, you can use calendars to specify the opening hours of a ship-from address or ship-to address.

For more information, refer to Calendar time-windows.

A work center's working times determine the available production capacity.

For more information, refer to Calendars in Manufacturing.

Project uses external scheduling packages for employee planning and equipment planning. The external scheduling package retrieves the calendar data from Calendars and Periods in LN.

For more information, refer to Calendar integration with external scheduling packages.

In Service, you use calendars to specify when a cluster is available for servicing, and to define when a service department is available to perform service activities.

For more information, refer to To use calendars in service.

In the planning processes, Enterprise Planning uses the calendars that you linked to work centers, warehouses, and so on.

To simulate a reduced or increased production capacity, you can assign availability types to scenarios. Therefore, you can create a different version of the working hours for each scenario. With these scenarios, you can analyze the consequences of adding an extra machine or taking a machine out of service for maintenance.

For more information, refer to Calendars in Enterprise Planning.

In Financials, you can use payment calendars to determine the due dates for sales invoices and purchase invoices.