It is recommended to use the joint transaction https://proaxia-prod-doc.atlassian.net/wiki/spaces/PFCC/pages/564166714 to transfer holiday calendars, holidays and assignments at once.
General
Use transaction /PACG/ECM_TRIG_HLDRL to transfer specific holidays from SAP ECC/S4 to SAP FSM.
The holidays are selected by public holiday ID and are retrieved from table THOL. The mentioned table stores public holidays maintained with SAP-standard transaction SCAL.
Holiday rule types
The implementation supports the following holiday rule types: F (fixed), U (floating), V (counted from Easter) and 'W' (fixed weekdays).
Learn more about how these holiday types are integrated: Calendar integration