YOU SAID:

i am sitting at the party and all of a sudden i hear this screeching at about 9:00 oclock to my left

INTO JAPANESE

私はパーティーに座っていて、突然、私の左側で9:00頃にこの金切り声が聞こえます

BACK INTO ENGLISH

I'm sitting at a party and suddenly I hear this screech on my left around 9:00

INTO JAPANESE

私はパーティーに座っていて、9:00頃に突然左にこの金切り声が聞こえます

BACK INTO ENGLISH

I'm sitting at a party and suddenly around 9:00 I hear this screeching to my left

INTO JAPANESE

パーティーで座っていると 9:00 頃に突然、左から金切り声が聞こえる

BACK INTO ENGLISH

I'm sitting at a party and suddenly around 9:00 I hear a scream coming from my left

INTO JAPANESE

パーティーで座っていたら 9時頃 急に左から悲鳴が聞こえてきた

BACK INTO ENGLISH

I was sitting at a party around 9 o'clock when suddenly I heard screams coming from my left

INTO JAPANESE

パーティーで9時ごろ座っていたら、突然左から悲鳴が聞こえた

BACK INTO ENGLISH

I was sitting at a party around 9 o'clock when suddenly I heard screams coming from my left