{
  "year": 2021,
  "generatedAt": "2026-10-19T02:19Z",
  "totalPeriods": 10,
  "page": "https://retrograd.io/2021",
  "planets": [
    {
      "planet": "mercury",
      "name": "Mercury",
      "periods": [
        {
          "planet": "mercury",
          "sign": "Aquarius",
          "preShadow": "2021-01-15T07:56Z",
          "stationRetrograde": "2021-01-30T15:51Z",
          "stationDirect": "2021-02-21T00:54Z",
          "postShadow": "2021-03-13T05:10Z",
          "stationRetrogradeLongitude": 326.4915,
          "stationDirectLongitude": 311.0236,
          "degrees": "26°29′ → 11°01′ Aquarius",
          "url": "https://retrograd.io/retrograde/mercury-in-aquarius"
        },
        {
          "planet": "mercury",
          "sign": "Gemini",
          "preShadow": "2021-05-15T00:30Z",
          "stationRetrograde": "2021-05-29T22:27Z",
          "stationDirect": "2021-06-22T22:08Z",
          "postShadow": "2021-07-07T17:48Z",
          "stationRetrogradeLongitude": 84.7182,
          "stationDirectLongitude": 76.1281,
          "degrees": "24°43′ → 16°07′ Gemini",
          "url": "https://retrograd.io/retrograde/mercury-in-gemini"
        },
        {
          "planet": "mercury",
          "sign": "Libra",
          "preShadow": "2021-09-06T20:05Z",
          "stationRetrograde": "2021-09-27T05:10Z",
          "stationDirect": "2021-10-18T15:18Z",
          "postShadow": "2021-11-03T01:08Z",
          "stationRetrogradeLongitude": 205.4742,
          "stationDirectLongitude": 190.1261,
          "degrees": "25°28′ → 10°07′ Libra",
          "url": "https://retrograd.io/retrograde/mercury-in-libra"
        }
      ],
      "nextAfterYear": null
    },
    {
      "planet": "venus",
      "name": "Venus",
      "periods": [
        {
          "planet": "venus",
          "sign": "Capricorn",
          "preShadow": "2021-11-17T20:55Z",
          "stationRetrograde": "2021-12-19T10:35Z",
          "stationDirect": "2022-01-29T08:48Z",
          "postShadow": "2022-03-02T02:40Z",
          "stationRetrogradeLongitude": 296.4901,
          "stationDirectLongitude": 281.0803,
          "degrees": "26°29′ → 11°04′ Capricorn",
          "url": "https://retrograd.io/retrograde/venus-in-capricorn"
        }
      ],
      "nextAfterYear": null
    },
    {
      "planet": "mars",
      "name": "Mars",
      "periods": [],
      "nextAfterYear": {
        "planet": "mars",
        "sign": "Gemini",
        "preShadow": "2022-09-03T23:09Z",
        "stationRetrograde": "2022-10-30T13:25Z",
        "stationDirect": "2023-01-12T20:58Z",
        "postShadow": "2023-03-16T03:55Z",
        "stationRetrogradeLongitude": 85.6138,
        "stationDirectLongitude": 68.1289,
        "degrees": "25°36′ → 8°07′ Gemini",
        "url": "https://retrograd.io/retrograde/mars-in-gemini"
      }
    },
    {
      "planet": "jupiter",
      "name": "Jupiter",
      "periods": [
        {
          "planet": "jupiter",
          "sign": "Pisces",
          "preShadow": "2021-03-27T11:20Z",
          "stationRetrograde": "2021-06-20T15:08Z",
          "stationDirect": "2021-10-18T05:27Z",
          "postShadow": "2022-01-09T03:11Z",
          "stationRetrogradeLongitude": 332.1832,
          "stationDirectLongitude": 322.3283,
          "degrees": "2°10′ Pisces → 22°19′ Aquarius",
          "url": "https://retrograd.io/retrograde/jupiter-in-pisces"
        }
      ],
      "nextAfterYear": null
    },
    {
      "planet": "saturn",
      "name": "Saturn",
      "periods": [
        {
          "planet": "saturn",
          "sign": "Aquarius",
          "preShadow": "2021-02-14T17:05Z",
          "stationRetrograde": "2021-05-23T09:30Z",
          "stationDirect": "2021-10-11T02:27Z",
          "postShadow": "2022-01-15T08:45Z",
          "stationRetrogradeLongitude": 313.5173,
          "stationDirectLongitude": 306.8794,
          "degrees": "13°31′ → 6°52′ Aquarius",
          "url": "https://retrograd.io/retrograde/saturn-in-aquarius"
        }
      ],
      "nextAfterYear": null
    },
    {
      "planet": "uranus",
      "name": "Uranus",
      "periods": [
        {
          "planet": "uranus",
          "sign": "Taurus",
          "preShadow": "2020-04-28T14:55Z",
          "stationRetrograde": "2020-08-15T14:19Z",
          "stationDirect": "2021-01-14T08:39Z",
          "postShadow": "2021-05-01T00:29Z",
          "stationRetrogradeLongitude": 40.693,
          "stationDirectLongitude": 36.7227,
          "degrees": "10°41′ → 6°43′ Taurus",
          "url": "https://retrograd.io/retrograde/uranus-in-taurus"
        },
        {
          "planet": "uranus",
          "sign": "Taurus",
          "preShadow": "2021-05-03T05:03Z",
          "stationRetrograde": "2021-08-20T01:26Z",
          "stationDirect": "2022-01-18T15:35Z",
          "postShadow": "2022-05-05T06:37Z",
          "stationRetrogradeLongitude": 44.7942,
          "stationDirectLongitude": 40.8193,
          "degrees": "14°47′ → 10°49′ Taurus",
          "url": "https://retrograd.io/retrograde/uranus-in-taurus"
        }
      ],
      "nextAfterYear": null
    },
    {
      "planet": "neptune",
      "name": "Neptune",
      "periods": [
        {
          "planet": "neptune",
          "sign": "Pisces",
          "preShadow": "2021-03-04T22:33Z",
          "stationRetrograde": "2021-06-25T18:56Z",
          "stationDirect": "2021-12-01T13:08Z",
          "postShadow": "2022-03-22T02:56Z",
          "stationRetrogradeLongitude": 353.2038,
          "stationDirectLongitude": 350.4065,
          "degrees": "23°12′ → 20°24′ Pisces",
          "url": "https://retrograd.io/retrograde/neptune-in-pisces"
        }
      ],
      "nextAfterYear": null
    },
    {
      "planet": "pluto",
      "name": "Pluto",
      "periods": [
        {
          "planet": "pluto",
          "sign": "Capricorn",
          "preShadow": "2021-01-04T20:25Z",
          "stationRetrograde": "2021-04-27T19:51Z",
          "stationDirect": "2021-10-06T18:07Z",
          "postShadow": "2022-01-27T15:08Z",
          "stationRetrogradeLongitude": 296.8077,
          "stationDirectLongitude": 294.3139,
          "degrees": "26°48′ → 24°18′ Capricorn",
          "url": "https://retrograd.io/retrograde/pluto-in-capricorn"
        }
      ],
      "nextAfterYear": null
    }
  ],
  "source": {
    "publisher": "retrograd.io",
    "url": "https://retrograd.io",
    "method": "https://retrograd.io/methodology",
    "engine": "astronomy-engine 2.1.19 (VSOP87; Pluto by numerical integration)",
    "frame": "apparent geocentric ecliptic longitude, true equinox of date (tropical zodiac)",
    "station": "the instant the apparent longitude rate changes sign, found by bisection",
    "shadow": "pre-shadow: the planet first reaches the station-direct longitude; post-shadow: it returns to the station-retrograde longitude",
    "timezone": "UTC"
  }
}