標本 ひょうほん時刻 じこくではありませんでした
hyōhon jikokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 標本時刻

1. It was not a standard time.; It was not the designated time.

Past/Perfective
Negative
Polite
Formal Register
Computing