FDKDATES is a standard SAP Table which is used to store AP/AR Internet: Period Selection data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FDKDATES table consists of various fields, each holding specific information or linking keys about AP/AR Internet: Period Selection data available in SAP. These include DAYS_BACK (AP/AR Internet Applications: Number of Days Back)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .