Also known as: 天使の日
Angel Day is a Date Pun that occurs on October 4th. Use this tag for Angel related artworks posted on 10/04.
October is the 10th month, pronounced "ten" in English. 4 is pronounced よん("yon") or し("shi") in Japanese. So 10/04 sounds like "Tenshi" (天使), which means angel in japanese.