Shu-bun-no Hi in Japan
Shu-bun-no Hi in Japan is held on September 23. This event in the third decade of the month September is annual. 
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"Both heat and cold are to the days of Higan," they say in Japan during both the autumn and spring equinoxes. The traditions of the holiday go back to the depths of history, the rituals of the Buddhist holiday Higan, and the legislative date for the celebration was established in 1948. The Buddhist concept of "higan" sounds like "that shore," that is, the world where the ancestors went and where their souls settled.
The Japanese use Autumnal Equinox Day to pay respects to deceased family members, visit family graves and hold family reunions in honour of those who have passed.
Similar holidays and events, festivals and interesting facts
Respect for the Aged Day on September 21 (Japan, celebrated on the third Monday in September);
Honda Motor Day on September 24
Mid-Autumn Festival or Moon Festival or Mooncake Festival on September 25 (15th day, 8th Chinese lunar month);
10-yen Curry Day in Japan on September 25 (Juen Kare No Hi);
Cleaning Day in Japan on September 29 (Kuriningu No Hi);
National Coffee Day in Japan and Sri Lanka on October 1
Seasonal Change of Clothing in Japan on October 1 (Koromogae);
Mitsubishi UFJ Financial Day on October 1