data syThe following table shows the system fields that contain information about date and time. Flag for summer time in the system time zone. During summer time, X, otherwise . FactoryList level of the list that is currently being created (basic list: 0, details lists: greater than 0). For every interactive list event, sy-lsind is automatically increased by an increment of 1. sy-lsind can only be changed in ABAP programs for navating