ls の --full-time オプション
# ls -lc --full-time /tmp/lcd_date.data -rw-r--r-- 1 root root 0 2007-07-24 17:33:03.000000000 +0900 /tmp/lcd_date.data
# ls -lc --full-time /tmp/lcd_date.data -rw-r--r-- 1 root root 0 2007-07-24 17:33:03.000000000 +0900 /tmp/lcd_date.data