AstralHoro

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Tropical natal charts, transits, and Sun, Moon, and rising from a birth date and place.

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natal_chart

Cast a tropical natal chart. Returns each planet with its sign, degree, retrograde flag, and whole-sign house, plus the ascendant, midheaven, twelve houses, and major aspects. Without a birth time the rising sign and houses are omitted. Example: birth_date 1990-07-04, birth_time 14:30, latitude 40.7128, longitude -74.006, timezone America/New_York.

latitudenumber, required

Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive.

longitudenumber, required

Birthplace longitude in decimal degrees, from -180 to 180. East is positive.

birth_datestring, required

Birth date as YYYY-MM-DD.

timezonestring

IANA timezone of the birthplace, such as America/New_York. Defaults to UTC.

birth_timestring

Local birth time as HH:MM, 24-hour. Omit it when the time is unknown.

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Tools (3)

natal_chart

Argument	Type	Description
latitude*	number	Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive.
timezone	string	IANA timezone of the birthplace, such as America/New_York. Defaults to UTC.
longitude*	number	Birthplace longitude in decimal degrees, from -180 to 180. East is positive.
birth_date*	string	Birth date as YYYY-MM-DD.
birth_time	string	Local birth time as HH:MM, 24-hour. Omit it when the time is unknown.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "birth_date",
    "latitude",
    "longitude"
  ],
  "properties": {
    "latitude": {
      "type": "number",
      "description": "Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive."
    },
    "timezone": {
      "type": "string",
      "description": "IANA timezone of the birthplace, such as America/New_York. Defaults to UTC."
    },
    "longitude": {
      "type": "number",
      "description": "Birthplace longitude in decimal degrees, from -180 to 180. East is positive."
    },
    "birth_date": {
      "type": "string",
      "description": "Birth date as YYYY-MM-DD."
    },
    "birth_time": {
      "type": "string",
      "description": "Local birth time as HH:MM, 24-hour. Omit it when the time is unknown."
    }
  }
}

sun_moon_rising

Sun sign, Moon sign, and rising sign for a birth date and place. The rising sign is omitted when birth_time is omitted. If the Moon changes sign that day and the time is unknown, both signs are returned.

Argument	Type	Description
latitude*	number	Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive.
timezone	string	IANA timezone of the birthplace, such as America/New_York. Defaults to UTC.
longitude*	number	Birthplace longitude in decimal degrees, from -180 to 180. East is positive.
birth_date*	string	Birth date as YYYY-MM-DD.
birth_time	string	Local birth time as HH:MM, 24-hour. Omit it when the time is unknown.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "birth_date",
    "latitude",
    "longitude"
  ],
  "properties": {
    "latitude": {
      "type": "number",
      "description": "Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive."
    },
    "timezone": {
      "type": "string",
      "description": "IANA timezone of the birthplace, such as America/New_York. Defaults to UTC."
    },
    "longitude": {
      "type": "number",
      "description": "Birthplace longitude in decimal degrees, from -180 to 180. East is positive."
    },
    "birth_date": {
      "type": "string",
      "description": "Birth date as YYYY-MM-DD."
    },
    "birth_time": {
      "type": "string",
      "description": "Local birth time as HH:MM, 24-hour. Omit it when the time is unknown."
    }
  }
}

transits

Current planets in the sky and their major aspects to a natal chart. Pass the same birth fields as natal_chart. date is an optional YYYY-MM-DD; omit it for the sky right now. A date is read at 12:00 in the birth timezone.

Argument	Type	Description
date	string	Civil date for the sky, YYYY-MM-DD. Omit it for the current time.
natal	object	Optional nested birth data. Top-level birth fields override it.
latitude*	number	Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive.
timezone	string	IANA timezone of the birthplace, such as America/New_York. Defaults to UTC.
longitude*	number	Birthplace longitude in decimal degrees, from -180 to 180. East is positive.
birth_date*	string	Birth date as YYYY-MM-DD.
birth_time	string	Local birth time as HH:MM, 24-hour. Omit it when the time is unknown.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "birth_date",
    "latitude",
    "longitude"
  ],
  "properties": {
    "date": {
      "type": "string",
      "description": "Civil date for the sky, YYYY-MM-DD. Omit it for the current time."
    },
    "natal": {
      "type": "object",
      "properties": {
        "latitude": {
          "type": "number",
          "description": "Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive."
        },
        "timezone": {
          "type": "string",
          "description": "IANA timezone of the birthplace, such as America/New_York. Defaults to UTC."
        },
        "longitude": {
          "type": "number",
          "description": "Birthplace longitude in decimal degrees, from -180 to 180. East is positive."
        },
        "birth_date": {
          "type": "string",
          "description": "Birth date as YYYY-MM-DD."
        },
        "birth_time": {
          "type": "string",
          "description": "Local birth time as HH:MM, 24-hour. Omit it when the time is unknown."
        }
      },
      "description": "Optional nested birth data. Top-level birth fields override it."
    },
    "latitude": {
      "type": "number",
      "description": "Birthplace latitude in decimal degrees, from -89.9 to 89.9. North is positive."
    },
    "timezone": {
      "type": "string",
      "description": "IANA timezone of the birthplace, such as America/New_York. Defaults to UTC."
    },
    "longitude": {
      "type": "number",
      "description": "Birthplace longitude in decimal degrees, from -180 to 180. East is positive."
    },
    "birth_date": {
      "type": "string",
      "description": "Birth date as YYYY-MM-DD."
    },
    "birth_time": {
      "type": "string",
      "description": "Local birth time as HH:MM, 24-hour. Omit it when the time is unknown."
    }
  }
}