三十 さんじゅう にち蕎麦 そばじゃないです
sanjūnichi sobajanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 三十日蕎麦

1. It's not soba on the thirtieth.; Not having soba on the thirtieth.

Negative
Polite
Casual Register