きゅう太陽 たいよう こよみじゃありませんでした
kyūtaiyō koyomijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 旧太陽暦

1. It was not the old lunar calendar.; It wasn't the old calendar.

Past/Perfective
Negative
Polite
Terminal Form