A free yakudoshi calculator app that calculates the yakudoshi and zodiac signs of men and women by inputting the Japanese calendar year (Showa / Heisei automatic switching) or the year of birth and displays a quick reference table. The ages of all yakudoshi for both men and women are counting years (not full age). The pre-yakudoshi is the year before the main yakudoshi, and the post-yakudoshi is the year after the main yakudoshi. Apotropaic magic, punishment, and warding off evil in the year of this evil. Middle school graduation year, high school graduation year, university graduation year required for resume.