営えい業ぎょう中ちゅう

noun which may take the genitive case particle 'no'

open for business; now open

Typically used on signs at the entrance of a shop or restaurant to indicate it is currently open.

• 店みせの前まえに「営えい業ぎょう中ちゅう」の看かん板ばんが出でていた。

  There was a sign saying 'Open' in front of the shop.

• 営えい業ぎょう中ちゅうはいつでもお入はいりください。

  Please feel free to come in whenever we are open.