綿 わた ぬけ朔日 さくじつじゃありませんでした
wata nukeno sakujitsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 綿抜の朔日

1. It wasn't the first of Watari.; It wasn't a blank/weak start.

Past/Perfective
Negative
Polite
Terminal Form