October 21 is the 13th Night of old calendar, which corresponds to September 13.
It is also known as "Kuriname Moon" and "Mamename Moon".
"Fifteen nights" is called "the previous month", "thirteen nights" is called "later moon", and two moons are collectively called "two nights". It is said that he hated.
Around September 13 in old calendar, the climate is generally fresh, and we have heard that there is no cloudy on the thirteenth night.
On the 21st, the Japanese Islands were widely covered with high pressures, and the fine autumn weather was calm, and the moon of "Thirteen Nights" shines above the lit-up windows of Kachidokibashi and Kachidoki skyscrapers. .
The "Thirteen Nights" is one step before the full moon.
The love of the moon with a slightly missing shape is one example of the emergence of the unique aesthetic sense of Japanese that has been handed down since ancient times.
