Show todays date in Arabic

select  to_char(sysdate, 'DD-Mon-YYYY')                     Today
       ,to_char(sysdate,'dd mon rrrr'
                      ,'nls_calendar = ''english hijrah''') Arabic_Day
from dual
/
TODAY                ARABIC_DAY
-------------------- -------------------------
22-Sep-2011          23 Shawwal           1432