Oracle Fiscal Year Calendar Query

SELECT  

    LPAD (MONTH, 20 - (20 - LENGTH (MONTH)) / 2) MONTH

    ,TO_NUMBER (week) week

    , "Sun"

    , "Mon"

    , "Tue"

    , "Wed"

    , "Thu"

    , "Fri"

    , "Sat"

FROM

    (SELECT  

        TO_CHAR (dt, 'fmMonthfm YYYY') MONTH,

        TO_CHAR (dt + 1, 'iw') week,

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 1, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Sun",

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 2, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Mon",

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 3, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Tue",

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 4, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Wed",

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 5, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Thu",

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 6, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Fri",

        TO_NUMBER(MAX (DECODE (TO_CHAR (dt, 'd'), 7, LPAD (TO_CHAR (dt, 'fmdd'), 2) ) )) "Sat"

    FROM

        (SELECT TRUNC (SYSDATE, 'y') - 1 + ROWNUM dt

         FROM all_objects

         WHERE ROWNUM <= ADD_MONTHS (TRUNC (SYSDATE, 'y'), 12) - TRUNC (SYSDATE, 'y'))

         GROUP BY TO_CHAR (dt, 'fmMonthfm YYYY'), TO_CHAR (dt + 1, 'iw')

    )

ORDER BY TO_DATE (MONTH, 'Month YYYY'), TO_NUMBER (week)