ひる光色 こうしょく電球 でんきゅうじゃなかったです
hiru kōshokudenkyūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 昼光色電球

1. Wasn't a daylight-colored lightbulb.; Wasn't a daylight bulb.

Past/Perfective
Negative
Polite
Casual Register