9/8は輝夜の日 9月8日は輝夜の日
The 8th of September is commemorated as [[Houraisan Kaguya|Kaguya Houraisan's]] day because the date [code]9/8[/code] can be read as [b]"gu"[/b] (9) and [b]"ya"[/b] (8) in Japanese

h4. See also

* [[Cirno Day]] (9th September)
* [[Koishi Day]] (14th May and 14th June)
* [[Nazrin Day]] (20th July)
* [[Satori Day]] (10th March)

h4. External links

* Article in "pixiv encyclopedia":[https://dic.pixiv.net/a/9%2F8%E3%81%AF%E8%BC%9D%E5%A4%9C%E3%81%AE%E6%97%A5]
kaguya day