SELECT count(uid) FROM cul_news WHERE home_page_calendar_chk = '1' AND (event_day != '' AND event_day != '--' AND ( (event_day BETWEEN '1951-09-01' AND '1951-09-30') OR (event_end_day BETWEEN '1951-09-01' AND '1951-09-30') OR (event_day <= '1951-09-01' AND '1951-09-30' <= event_end_day) ) AND language='J' AND uid > 1815) OR (language='J' AND regular_event_period !='' AND regular_event_period LIKE '%1951/09%' )