Who the Boar is
The twelfth and final branch (亥, i) — courage, honesty, and unstoppable forward force. And here Japan and the West part ways completely: in the Western and Chinese zodiac this sign is the Pig. In Japan it is the wild Boar — inoshishi, the tusked, charging beast of the mountains. Not the farmyard pig: the animal that runs in one direction and does not swerve.
It belongs to late evening, the direction north-northwest, and Water in its final, deep form — the branch that closes the cycle before the Rat opens it again.
The boar that charges straight
The Boar's Japanese meaning is built on one image: chototsu-mōshin — "reckless headlong rush," a common expression that comes straight from the boar's nature. To go at something like a boar is to go with total commitment and zero course-correction. It is honoured, not mocked: at Goō Shrine in Kyoto, guardian koma-inoshishi — stone boars instead of stone dogs — protect the gate, tied to a legend where wild boars saved a nobleman's life. The Boar is also the mount of Marishiten, a warrior deity. The Boar is the sign of the honest, courageous charge — the one who commits completely and asks questions never.
The Boar's nature
Directness. Boar people are associated with honesty, courage, and wholehearted effort. The shadow the texts name is inflexibility — the charge that cannot turn, the commitment that becomes a trap because stopping was never an option.
Time, direction, and season
The hour of 9pm to 11pm — late evening, the day almost done. Direction north-northwest. Early winter, the year's Water closing the circle just before the Rat's midnight begins it again.
Who the Boar moves with
Harmony in the Wood trinity with Rabbit and Goat (亥卯未). Opposition to the Snake (巳) — the headlong charge against the patient coil.
The Year of the Boar
Read as a year of honest effort and completion — the end of the cycle, a year to finish wholeheartedly what the twelve years began, before it all starts again.
The Boar is one of the twelve Earthly Branches — the ox, the tiger, the dragon, and the rest.