ABAP System Fields -

data sy It is the System field which stores Current Date. All the system fields are stored in table SYST. Check. SY-DATUM and the system fields for the local time zone, that is SY-TIMLO, SY-DATLO, and SY-ZONLO are also reset. SY-DATLO Local date of user, for example 19981129, 19990628.

data sgp 45 2010, The structure sy can also be addressed using syst. There is also a predefined data type sy, which can be used instead of the data type SYST of ABAP Dictionary..