Gyonen is one of 12 signs of junishi obtained, in the case of men, by counting one year for one sign in order of junishi on the premise that their year of birth is the year of the tiger and in the case of women, obtained by counting one year for one sign in reverse order of junishi on the premise that their year of birth is the year of the monkey.
行年とは男は生まれた年を寅年として、その後は年毎に十二支の順に従って進み、女性は生まれた年を申年としてその後は年毎に十二支の逆に進めて得られる十二支のこと。