CH · Chart fundamentals

CH-01: Sign lordship

Each zodiac sign is ruled by one planet, following the classical Parashari table. Rahu and Ketu rule no sign.

Endpoints that apply this rule

Each call returns the rule it used, so you can match a result to CH-01.

POST	/v1/planets	Planet positions and the ascendant
POST	/v1/ascendant	The ascendant only
POST	/v1/chart/{division}	Any of the 16 divisional charts (D1 to D60)
POST	/v1/chart/chalit	Bhava chalit: houses by the Sripati method

Call an endpoint that applies it

The call for our sample, John Doe, born Aug 15, 1990, 10:30 AM, New York.

POST /v1/planets

# John Doe, born Aug 15, 1990, 10:30 AM, New York
curl -X POST "https://apiforastrology.com/api/astrology/v1/planets" \
  -H "Authorization: Bearer $ASTROLOGY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"year":1990,"month":8,"day":15,"hour":10,"minute":30,"second":0,"latitude":40.7128,"longitude":-74.006,"timezone":"America/New_York"}'

Answer (long lists shortened)200 OK

{
  "meta": {
    "ayanamsa": "lahiri",
    "ayanamsa_value": 23.7260727,
    "julian_day": 2448119.10483,
    "ephemeris": "JPL DE440s",
    "node": "true",
    "timezone": {
      "source": "zone",
      "offset_hours": -4,
      "zone": "America/New_York",
      "abbreviation": "EDT",
      "dst": true,
      "dst_hours": 1,
      "ambiguous_resolved_by_fold": null,
      "note": "read from the IANA tz database at this instant, so daylight saving and historical offset changes are included"
    }
  },
  "ascendant": {
    "name": "Ascendant",
    "longitude": 169.934155,
    "sign": "Virgo",
    "sign_number": 6,
    "degree_in_sign": 19.934155,
    "degree_dms": "19 : 56 : 03",
    "house": 1,
    "nakshatra": "Hast",
    "nakshatra_lord": "Moon",
    "pada": 3,
    "speed": 0,
    "retrograde": false,
    "combust": false,
    "dignity": "n/a",
    "vargottama": false,
    "pushkara": {
      "navamsa": false,
      "navamsa_number": 6,
      "bhaga": false,
      "bhaga_degree": 9,
      "bhaga_by_element": false,
      "bhaga_degree_by_element": 14,
      "sources_agree": true,
      "orb_degrees": 1
    }
  },
  "positions": [
    {
      "name": "Sun",
      "longitude": 118.7753409,
      "sign": "Cancer",
      "sign_number": 4,
      "degree_in_sign": 28.7753409,
      "degree_dms": "28 : 46 : 31",
      "house": 11,
      "nakshatra": "Ashlesha",
      "nakshatra_lord": "Mercury",
      "pada": 4,
      "speed": 0.9610665,
      "retrograde": false,
      "combust": false,
      "dignity": "friend",
      "vargottama": false,
      "pushkara": {
        "navamsa": false,
        "navamsa_number": 9,
        "bhaga": false,
        "bhaga_degree": 8,
        "bhaga_by_element": false,
        "bhaga_degree_by_element": 7,
        "sources_agree": true,
        "orb_degrees": 1
      }
    },
    {
      "name": "Moon",
      "longitude": 54.5750352,
      "sign": "Taurus",
      "sign_number": 2,
      "degree_in_sign": 24.5750352,
      "degree_dms": "24 : 34 : 30",
      "house": 9,
      "nakshatra": "Mrigashira",
      "nakshatra_lord": "Mars",
      "pada": 1,
      "speed": 14.258194,
      "retrograde": false,
      "combust": false,
      "dignity": "mulatrikona",
      "vargottama": false,
      "pushkara": {
        "navamsa": false,
        "navamsa_number": 8,
        "bhaga": false,
        "bhaga_degree": 14,
        "bhaga_by_element": false,
        "bhaga_degree_by_element": 14,
        "sources_agree": true,
        "orb_degrees": 1
      }
    },
    {
      "name": "Mars",
      "longitude": 27.7149328,
      "sign": "Aries",
      "sign_number": 1,
      "degree_in_sign": 27.7149328,
      "degree_dms": "27 : 42 : 54",
      "house": 8,
      "nakshatra": "Krittika",
      "nakshatra_lord": "Sun",
      "pada": 1,
      "speed": 0.5753266,
      "retrograde": false,
      "combust": false,
      "dignity": "own sign",
      "vargottama": false,
      "pushkara": {
        "navamsa": true,
        "navamsa_number": 9,
        "bhaga": false,
        "bhaga_degree": 21,
        "bhaga_by_element": false,
        "bhaga_degree_by_element": 21,
        "sources_agree": true,
        "orb_degrees": 1
      }
    }
  ],
  "planetary_war": []
}

The rule in John Doe's chart

Applies

In John Doe's chart Virgo rises, so Virgo is house 1. His Mars is in its own sign, Aries, in house 8, and his Moon is in Taurus, where it stands in its favored mulatrikona stretch.

John Doe, born Aug 15, 1990, 10:30 AM, New York

Related glossary terms

Classification

Section: CH · Chart fundamentals
Kind: classical: The major traditions of Vedic astrology agree on this rule.
Feature: Kundli and birth charts

Think this rule is wrong?

Tell us and give its ID, for example "CH-01 is wrong". We check every report and reply.

Report this rule

Where traditions differ, this rulebook states which choice the API follows. If you need a different school of astrology, talk to us. We will not switch it without telling you.

Free tools

See this rule on your own chart

Runs on the same API call. Enter your details and see the answer in your browser.

All free tools

Free kundli
Your Vedic birth chart: the rising sign and all nine planets, with sign, house and nakshatra.
Make my kundli

Astrology API

Check this rule against real output

Create a free test key and call the endpoint this rule belongs to. Or try a request in the API reference first.

Get a free API key Open the API reference

Your first answer

John Doe, New York

POST /v1/planets200 OK

RisingVirgoHast
SunCancerAshlesha
MoonTaurusMrigashira
MarsAriesKrittika

Real API output. A free test key gets the same answer.

01
Test key: 1,000 test calls a month to build with
02
Free plan: 2,000 live calls a month, no card needed
03
Open rules: every rule is published, so you can check any answer