昼夜 ちゅうや逆転 ぎゃくてんじゃないです
chūyagyakutenjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 昼夜逆転

1. It's not a day-night reversal.; It's not a sleep schedule reversal.

Negative
Polite
Casual Register