やなみょうごにちじゃないです
やな明後日じゃないです
yana myō gonichijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of やなあさって

1. It's not the day after tomorrow.; It's not a good day after tomorrow.

Negative
Polite
Casual Register
Usually Written in Kana