秋分 しゅうぶん ではありませんでした
shūbunno hidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 秋分の日

1. Was not the Autumnal Equinox.; It was not the Autumnal Equinox Day.

Past/Perfective
Negative
Polite
Formal Register