年ねん中じゅう無む休きゅう

noun which may take the genitive case particle 'no', noun

open every day; open year-round; 365 days a year

Used for businesses or facilities that operate without regular closing days, including weekends and holidays. Often seen on signs or in advertisements.

• このコンビニは年ねん中じゅう無む休きゅうで営えい業ぎょうしています。

  This convenience store is open every day of the year.

• 年ねん中じゅう無む休きゅうのジムを探さがしています。

  I'm looking for a gym that's open 365 days a year.