oracle8.1.6 select to_char(to_date(:current_date, 'yyyy-mm-dd'), 'D') as day_of_the_week, to_char(next_day(to_date(:current_date, 'yyyy-mm-dd')-7, 'SUNDAY')) as sunday_of_the_week, to_char(next_day(to_date(:current_date, 'yyyy-mm-dd'), 'Saturday')) as saturday_of_the_week from dual