Guys,
This is not wroking, i tried in both the ways. Here i'm pasting the eror messages:

PROD>>VARIABLE jobno NUMBER
PROD>>begin
2 DBMS_JOB.SUBMIT(:jobno,
3 'CALL_WEEKLY;',
4 SYSDATE,'SYSDATE + 7');
5 commit;
6 end;
7 /

PL/SQL procedure successfully completed.

PROD>>begin
2 DBMS_JOB.SUBMIT(:jobno, 'CALL_WEEKLY;',
3 sysdate,
4 'NEXT_DAY(TRUNC(SYSDATE),''SUNDAY"")+3/24');
5 end;
6 /
begin
*
ERROR at line 1:
ORA-23319: parameter value "NEXT_DAY(TRUNC(SYSDATE),'SUNDAY"")+3/24" is not
appropriate
ORA-06512: at "SYS.DBMS_JOB", line 57
ORA-06512: at "SYS.DBMS_JOB", line 132
ORA-06512: at line 2


PROD>>VARIABLE jobno NUMBER
PROD>>begin
2 DBMS_JOB.SUBMIT(:jobno, 'CALL_WEEKLY;',
3 sysdate,
4 'NEXT_DAY(TRUNC(SYSDATE),''SUNDAY"")+3/24');
5 end;
6 /
begin
*
ERROR at line 1:
ORA-23319: parameter value "NEXT_DAY(TRUNC(SYSDATE),'SUNDAY"")+3/24" is not
appropriate
ORA-06512: at "SYS.DBMS_JOB", line 57
ORA-06512: at "SYS.DBMS_JOB", line 132
ORA-06512: at line 2

Please figure out my problem, thanks in advance