八日（ようか）— the eighth; eight days
昨日 は 八日 でした。
Yesterday was the eighth.
八日ようか
the eighth; eight days
ようか
accent [0]In detail
Words
昨日kinouyesterday
はwa(topic marker)
八日youkathe eighth day of the month
でしたdeshita(polite past sentence ending)
Kanji
八ハチ・
日ニチ・
八日 is ようか, with a long vowel. Keep it distinct from 四日, よっか, which has a short pause before か.
Coco-sensei