GET TIME.
Sets the system field SY-UZEIT to the current time and
resets
SY-DATUM. Also refreshes the SY fields for
the local time zone, i.e. SY-TIMLO, SY-DATLO and SY-ZONLO.
... FIELD f
Sets the field f to the current time, taking into account
the type. SY-DATUM, SY-UZEIT
and the SY fields for the local time zone are not set.
If required, the ABAP runtime clock is synchronized for
both variants with the time of the database server.
The operating system times of the database server
and application server could differ slightly. The ABAP
runtime clock is synchronized with the operating system time of the database server. If it is called more than once, the number of seconds could therefore theoretically differ.