1/1 正月
The Japanese celebrate New Year's Day on first of January each year. It is considered by most Japanese to be one of the most important annual festivals and has been celebrated for centuries with its own unique customs.
3/2 節分
Setsubun,（ Bean-Throwing Ceremony) is the day before the beginning of each season in Japan. The name literally means "seasonal division", celebrated yearly on February 3 as part of the Spring Festival.
5/5 子供の日
It is a day set aside to respect children's personalities and to celebrate their happiness. It was designated a national holiday by the Japanese government in 1948.
15/11 七五三
Shichi-Go-San (seven-five-three) is a traditional rite of passage and festival day in Japan for three and seven year-old girls and three and five year-old boys, held annually on November 15.
1/1 正月 
3/2 節分 
5/5 子供の日 
15/11 七五三 