SAP ABAP Program LCPIRCAL (Inlclude Kalendroutinen) is using

• Table/Structure Field (12)
• Function Module (9)
• Message Number (7)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Function Module	DATE_COMPUTE_DAY	Returns weekday for a date
2	Function Module	DATE_CONVERT_TO_FACTORYDATE	Calendar function: Returns factory calendar date for a date
3	Function Module	DATE_GET_WEEK	Calendar fucntion: Returns week for a date
4	Function Module	DATE_TO_PERIOD_CONVERT	Ermittlung der Geschäftsperiode aus dem Buchungsdatum über T009, T009B.
5	Function Module	FACTORYDATE_CONVERT_TO_DATE	Calendar function: Returns date for a factory calendar date
6	Function Module	FIRST_DAY_IN_PERIOD_GET	Date of first day determined for period and fiscal year
7	Function Module	LAST_DAY_IN_PERIOD_GET	Zu einer Periode und Geschäftsjahr wird das Datum des letzten Tages ermitt
8	Function Module	PROGNOSEPERIODEN_ERMITTELN	Determines posting periods as well as the corresponding first and las
9	Function Module	WEEK_GET_FIRST_DAY	Calendar function: Return first day for a week