From my calendar:
(this kanji is unknown to jisho)
Solution:
Yeah, I was gonna say, this looks like a kanji invented by some city’s tourism board as a gimmick. “Come to [city]! The sunny city!”
Ah, Amonashidate… Where else can you see courriers on scooters delivering small suns wrapped in a towel to various customers!
\begin{bmatrix}日 & 日 & 日\\日 & 日 & 日\\日 & 日 & 巾\end{bmatrix} \times \begin{bmatrix}x^p & x^q & x^r\\y^p & y^q & y^r\\z^p & z^q & z^r\end{bmatrix}