二百十日(にひゃくとおか) - nihyaku-toka

Nihyaku-toka refers to the 210th day after the first day of spring (risshun). Nihyaku-toka falls around the 1st of September on the calendar today. Japan is frequently struck by typhoons around .

立春から数えて210日目に当たる日。新暦では9月1日頃。この日の前後には台風が来ることが多いと言われる。