SAP ABAP Program MM61IF90 (PP Planning Calendar: Calendar Routines) is using

• Table/Structure Field (7)
• Function Module (5)
• Message Number (4)
• Table (2)

#	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	FACTORYDATE_CONVERT_TO_DATE	Calendar function: Returns date for a factory calendar date
5	Function Module	WEEK_GET_FIRST_DAY	Calendar function: Return first day for a week