Toki wo Kizamu Uta (時を刻む唄)

"Toki wo Kizamu Uta" (時を刻む唄) is a song performed by Lia for the 2008 television anime CLANNAD AFTER STORY from Kyoto Animation, where it serves as the opening theme. It was released in 2008 as one half of the double A-side single "時を刻む唄 / TORCH".

Lantis released the single on 14 November 2008. Jun Maeda wrote the lyrics and composed the song, and ANANT-GARDE EYES arranged it; its companion track "TORCH" is the ending theme for CLANNAD AFTER STORY. "Toki wo Kizamu Uta" later appeared on Lia's LIA COLLECTION ALBUM Special Limited BOX, and Key Sounds Label revisited it on key plus lounge with a Bossa arrangement by manyo before including it again on the Key 20th Anniversary remix album Harmonia -knot-.