ABAP Keyword Documentation → ABAP − Reference → Processing Internal Data → Date and Time Processing
System Fields for Date and Time
The following table shows the system fields that contain information about date and time.
| System Field | Type | Length | Content | GET TIME |
|---|---|---|---|---|
sy-datlo |
d | - | User date | X |
sy-datum |
d | - | System date | X |
sy-dayst |
c | 1 | Flag for summer time in the system time zone. During summer time, "X", otherwise " ". | - |
sy-fdayw |
b | - | Factory calendar weekday in the system time zone. "1" for Monday, ..., "5" for Friday. | - |
sy-timlo |
t | - | User time | X |
sy-tzone |
i | - | Time difference between the system time andUTC reference time in seconds, ignoring summer time. | - |
sy-uzeit |
t | - | System Time | X |
sy-zonlo |
c | 6 | User time zone | - |
The values of all system fields in this table are set implicitly when the program is started, every time a
screen of a
dynpro is sent, and when the
internal session is
set. The last column of the table shows which of the system fields can be updated explicitly using the statement GET TIME.
The content of sy-zonlo is the user time zone described under
System Time Zone and User Time Zone. The local
values of sy-datlo and sy-timlo that make reference to the user time zone are determined from the
system time and the
system date. If sy-zonlo
is initial, sy-timlo and sy-datlo have the same values as sy-uzeit and sy-datum.
Other versions: 7.31 | 7.40 | 7.54
Example
If the system time zone is the same as the user time zone, the corresponding system fields for system date and user date and/or system time and user time must be the same.
DATA tz TYPE timezone.
CALL FUNCTION 'GET_SYSTEM_TIMEZONE'
IMPORTING
timezone = tz.
IF tz = sy-zonlo.
ASSERT sy-datum = sy-datlo.
ASSERT sy-uzeit = sy-timlo.
ENDIF.