shunbun (vernal equinox ) is one of the 24 seasons in the solar year . 春分(しゅんぶん)は、二十四節気の1つ。
shubun (autumnal equinox ) is one of the 24 seasons in the solar year . 秋分(しゅうぶん)は、二十四節気の1つ。
toji (the winter solstice ) is one of nijushi-sekki (the 24 divisions of the solar year ). 冬至(とうじ)は、二十四節気の一つ。
nijushisekki (24 divisions of the old calendar ), and shichijuniko (72 divisions of the solar year ) 二十四節気、七十二候
it is written in boshu makko in shichijuniko (72 divisions of the solar year ) that ' the fruit of the japanese plum trees ripen yellow .' 七十二候の芒種末候には「梅子黄(梅の実が黄ばんで熟す)」と、ある。