Zi Wei Dou Shu and Da Liu Ren chart calculators by Multifate: exact palaces, stars and plates.
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Calculate a Da Liu Ren (大六壬) plate for a date-time: day and hour ganzhi, month general (月将, switched at the zhongqi instant), heaven and earth plates, twelve generals, noble person direction, four lessons, three transmissions and lesson pattern. Calculation only, no reading. Source: multifate.com/tools/daliuren.
Local clock time of the question, ISO without offset, e.g. 2026-10-22T14:30.
IANA time zone of dateTime. It only decides which side of the month-general switch (the zhongqi instant) the clock falls on. Omitted means the clock is UTC+8, the same rule as multifate.com.
Calculate a Da Liu Ren (大六壬) plate for a date-time: day and hour ganzhi, month general (月将, switched at the zhongqi instant), heaven and earth plates, twelve generals, noble person direction, four lessons, three transmissions and lesson pattern. Calculation only, no reading. Source: multifate.com/tools/daliuren.
| Argument | Type | Description |
|---|---|---|
| dateTime* | string | Local clock time of the question, ISO without offset, e.g. 2026-10-22T14:30. |
| timeZone | string | IANA time zone of dateTime. It only decides which side of the month-general switch (the zhongqi instant) the clock falls on. Omitted means the clock is UTC+8, the same rule as multifate.com. |
{
"type": "object",
"required": [
"dateTime"
],
"properties": {
"dateTime": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}[T ]\\d{2}:\\d{2}(?::\\d{2}(?:\\.\\d+)?)?$",
"description": "Local clock time of the question, ISO without offset, e.g. 2026-10-22T14:30."
},
"timeZone": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"description": "IANA time zone of dateTime. It only decides which side of the month-general switch (the zhongqi instant) the clock falls on. Omitted means the clock is UTC+8, the same rule as multifate.com."
}
},
"additionalProperties": false
}Calculate a Zi Wei Dou Shu (紫微斗数) natal chart from a Gregorian birth date, two-hour birth period and gender (give exactly one of hourBranch or hour): twelve palaces with branch, stem, major and minor stars, star brightness, birth-year four transformations (四化), Life and Body palaces, five-element class and decade ranges. Calculation only, no reading. Source: multifate.com/tools/ziwei.
| Argument | Type | Description |
|---|---|---|
| hour | integer | Birth hour 0-23 on the local clock; mapped to its two-hour period. 23 and 0 are both the 子 period of the given date. Give this or hourBranch, never both. |
| gender* | string | male or female (男 or 女). |
| birthDate* | string | Gregorian birth date, YYYY-MM-DD. |
| hourBranch | string | Two-hour period of birth as an earthly branch: 子 (23:00-00:59), 丑 (01:00-02:59), ... 亥 (21:00-22:59). A 23:00-23:59 birth stays on the entered date; early and late Zi are not split. Give this or hour, never both. |
{
"type": "object",
"oneOf": [
{
"required": [
"hourBranch"
]
},
{
"required": [
"hour"
]
}
],
"required": [
"birthDate",
"gender"
],
"properties": {
"hour": {
"type": "integer",
"maximum": 23,
"minimum": 0,
"description": "Birth hour 0-23 on the local clock; mapped to its two-hour period. 23 and 0 are both the 子 period of the given date. Give this or hourBranch, never both."
},
"gender": {
"enum": [
"male",
"female",
"男",
"女"
],
"type": "string",
"description": "male or female (男 or 女)."
},
"birthDate": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "Gregorian birth date, YYYY-MM-DD."
},
"hourBranch": {
"enum": [
"子",
"丑",
"寅",
"卯",
"辰",
"巳",
"午",
"未",
"申",
"酉",
"戌",
"亥"
],
"type": "string",
"description": "Two-hour period of birth as an earthly branch: 子 (23:00-00:59), 丑 (01:00-02:59), ... 亥 (21:00-22:59). A 23:00-23:59 birth stays on the entered date; early and late Zi are not split. Give this or hour, never both."
}
},
"additionalProperties": false
}