{
  "generatedOn": "2026-08-25",
  "engine": {
    "library": "swisseph (npm) 0.5.17",
    "ephemerisFlag": "SEFLG_MOSEPH | SEFLG_SIDEREAL",
    "ephemerisMode": "Moshier analytical ephemeris (no external .se1 / JPL data files)",
    "siderealMode": "swe_set_sid_mode(1, 0, 0) = SE_SIDM_LAHIRI (Lahiri / Chitrapaksha)",
    "nodes": "SE_MEAN_NODE for Rahu; Ketu = Rahu + 180 degrees",
    "ascendant": "swe_houses(jd, lat, lng, 'P') tropical ascendant, minus the Lahiri ayanamsa at that Julian Day",
    "time": "utHour = hour + minute/60 - utcOffset; no historical timezone database lookup"
  },
  "cases": [
    {
      "id": "REF-A",
      "localDateTime": "2000-01-01 12:00:00",
      "utcOffset": "UTC+05:30",
      "place": "New Delhi",
      "lat": 28.6139,
      "lng": 77.209,
      "jd": 2451544.770833,
      "ayanamsa": 23.857084,
      "bodies": {
        "Ascendant": {
          "lon": 343.1853,
          "dms": "Pisces 13°11'07\"",
          "nak": "Uttara Bhadrapada pada 3"
        },
        "Sun": {
          "lon": 256.2821,
          "dms": "Sagittarius 16°16'56\"",
          "nak": "Purva Ashadha pada 1"
        },
        "Moon": {
          "lon": 196.7117,
          "dms": "Libra 16°42'42\"",
          "nak": "Swati pada 4"
        },
        "Mars": {
          "lon": 303.9323,
          "dms": "Aquarius 3°55'56\"",
          "nak": "Dhanishta pada 4"
        },
        "Mercury": {
          "lon": 247.6796,
          "dms": "Sagittarius 7°40'46\"",
          "nak": "Mula pada 3"
        },
        "Jupiter": {
          "lon": 1.3906,
          "dms": "Aries 1°23'26\"",
          "nak": "Ashwini pada 1"
        },
        "Venus": {
          "lon": 217.4355,
          "dms": "Scorpio 7°26'08\"",
          "nak": "Anuradha pada 2"
        },
        "Saturn": {
          "lon": 16.547,
          "dms": "Aries 16°32'49\"",
          "nak": "Bharani pada 1"
        },
        "Rahu (mean)": {
          "lon": 101.1996,
          "dms": "Cancer 11°11'58\"",
          "nak": "Pushya pada 3"
        },
        "Ketu (mean)": {
          "lon": 281.1996,
          "dms": "Capricorn 11°11'58\"",
          "nak": "Shravana pada 1"
        }
      }
    },
    {
      "id": "REF-B",
      "localDateTime": "1990-06-15 05:45:00",
      "utcOffset": "UTC+05:30",
      "place": "Mumbai",
      "lat": 19.076,
      "lng": 72.8777,
      "jd": 2448057.510417,
      "ayanamsa": 23.723717,
      "bodies": {
        "Ascendant": {
          "lon": 55.3279,
          "dms": "Taurus 25°19'40\"",
          "nak": "Mrigashira pada 1"
        },
        "Sun": {
          "lon": 59.9347,
          "dms": "Taurus 29°56'05\"",
          "nak": "Mrigashira pada 2"
        },
        "Moon": {
          "lon": 315.1309,
          "dms": "Aquarius 15°07'51\"",
          "nak": "Shatabhisha pada 3"
        },
        "Mars": {
          "lon": 346.9619,
          "dms": "Pisces 16°57'43\"",
          "nak": "Revati pada 1"
        },
        "Mercury": {
          "lon": 41.1288,
          "dms": "Taurus 11°07'44\"",
          "nak": "Rohini pada 1"
        },
        "Jupiter": {
          "lon": 82.0562,
          "dms": "Gemini 22°03'22\"",
          "nak": "Punarvasu pada 1"
        },
        "Venus": {
          "lon": 24.4747,
          "dms": "Aries 24°28'29\"",
          "nak": "Bharani pada 4"
        },
        "Saturn": {
          "lon": 270.3333,
          "dms": "Capricorn 0°19'60\"",
          "nak": "Uttara Ashadha pada 2"
        },
        "Rahu (mean)": {
          "lon": 285.9965,
          "dms": "Capricorn 15°59'48\"",
          "nak": "Shravana pada 2"
        },
        "Ketu (mean)": {
          "lon": 105.9965,
          "dms": "Cancer 15°59'48\"",
          "nak": "Pushya pada 4"
        }
      }
    },
    {
      "id": "REF-C",
      "localDateTime": "1975-11-09 23:10:00",
      "utcOffset": "UTC+05:30",
      "place": "Chennai",
      "lat": 13.0827,
      "lng": 80.2707,
      "jd": 2442726.236111,
      "ayanamsa": 23.519839,
      "bodies": {
        "Ascendant": {
          "lon": 102.2028,
          "dms": "Cancer 12°12'10\"",
          "nak": "Pushya pada 3"
        },
        "Sun": {
          "lon": 203.1768,
          "dms": "Libra 23°10'36\"",
          "nak": "Vishakha pada 1"
        },
        "Moon": {
          "lon": 281.5344,
          "dms": "Capricorn 11°32'04\"",
          "nak": "Shravana pada 1"
        },
        "Mars": {
          "lon": 69.0663,
          "dms": "Gemini 9°03'59\"",
          "nak": "Ardra pada 1"
        },
        "Mercury": {
          "lon": 191.8822,
          "dms": "Libra 11°52'56\"",
          "nak": "Swati pada 2"
        },
        "Jupiter": {
          "lon": 352.812,
          "dms": "Pisces 22°48'43\"",
          "nak": "Revati pada 2"
        },
        "Venus": {
          "lon": 156.6386,
          "dms": "Virgo 6°38'19\"",
          "nak": "Uttara Phalguni pada 3"
        },
        "Saturn": {
          "lon": 99.4285,
          "dms": "Cancer 9°25'43\"",
          "nak": "Pushya pada 2"
        },
        "Rahu (mean)": {
          "lon": 208.5116,
          "dms": "Libra 28°30'42\"",
          "nak": "Vishakha pada 3"
        },
        "Ketu (mean)": {
          "lon": 28.5116,
          "dms": "Aries 28°30'42\"",
          "nak": "Krittika pada 1"
        }
      }
    }
  ]
}