韓国 かんこく標準 ひょうじゅん じゃなかったです
kankokuhyōjunjijanakattadesu

Noun
Desu Copula

The polite, past negative form of 韓国標準時

1. Was not Korean Standard Time.; Wasn't in Korean Standard Time.

Past/Perfective
Negative
Polite
Casual Register