Deterministic Korean Saju / BaZi Four Pillars MCP. Day Master, five elements, compatibility.
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Compute a deterministic BaZi (八字) / Korean Saju (사주) Four Pillars chart from a solar birth date: Heavenly Stems, Earthly Branches, Day Master, and five-element distribution. KASI-validated engine, no AI.
1920–2050
0–23, or -1 if birth time unknown
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Compute a deterministic BaZi (八字) / Korean Saju (사주) Four Pillars chart from a solar birth date: Heavenly Stems, Earthly Branches, Day Master, and five-element distribution. KASI-validated engine, no AI.
| Argument | Type | Description |
|---|---|---|
| day* | integer | |
| hour | integer | 0–23, or -1 if birth time unknown |
| year* | integer | 1920–2050 |
| month* | integer | |
| gender* | string |
{
"type": "object",
"required": [
"year",
"month",
"day",
"gender"
],
"properties": {
"day": {
"type": "integer"
},
"hour": {
"type": "integer",
"description": "0–23, or -1 if birth time unknown"
},
"year": {
"type": "integer",
"description": "1920–2050"
},
"month": {
"type": "integer"
},
"gender": {
"enum": [
"M",
"F"
],
"type": "string"
}
}
}Deterministic BaZi compatibility score (0–100) and band between two people, from combined five-element balance and Day Master cycle relation.
| Argument | Type | Description |
|---|---|---|
| person_a* | object | {year,month,day,hour,gender} |
| person_b* | object | {year,month,day,hour,gender} |
{
"type": "object",
"required": [
"person_a",
"person_b"
],
"properties": {
"person_a": {
"type": "object",
"description": "{year,month,day,hour,gender}"
},
"person_b": {
"type": "object",
"description": "{year,month,day,hour,gender}"
}
}
}