Gunjō Biyori

"Gunjō Biyori"
Single by Tokyo Jihen
from the album Kyōiku
B-side
  • "Sono Onna Fushidara ni Tsuki"
  • "Kao"
ReleasedSeptember 8, 2004 (2004-09-08)
Recorded2004
GenreAlternative rock, pop-rock
Length3:33
LabelToshiba EMI
Songwriter(s)
Tokyo Jihen singles chronology
"Gunjō Biyori"
(2004)
"Sōnan"
(2004)

"Gunjō Biyori" (群青日和, "Ultramarine Weather"), also known by its English name "Ideal Days for Ultramarine", is the debut single by Japanese rock band Tokyo Jihen, led by musician Ringo Sheena. It was released on September 8, 2004, ten months after Sheena's solo single "Ringo no Uta".