Ephemeris

Endpoint POST https://starsapi.com/api/v3/transit/western/ephemeris

Returns daily tropical planetary positions for every day in a month, computed at 00:00 UTC. Includes all planets through Chiron with Unicode sign symbols, and provides both true and mean node positions per row.

Authentication

Required.

Request body

Field	Type	Required	Description
`month`	integer	Yes	Calendar month, 1–12.
`year`	integer	Yes	4-digit year.
`timezone`	string	No	IANA timezone for local time label. Default `UTC`.
`planet`	string	No	`all` (default), `traditional`, or specific planet name.

Response shape

Day row

Field	Type	Description
`date`	string	`YYYY-MM-DD`.
`weekday`	string	3-letter weekday.
`time_utc`	string	Always `00:00`.
`time_local`	string	Local time of midnight UTC.

Planet entry

Field	Type	Description
`name`	string	Planet name. Nodes: `North Node (True)`, `North Node (Mean)`, etc.
`symbol`	string	Unicode glyph.
`longitude`	number	Tropical ecliptic longitude (0–360).
`sign`, `sign_symbol`	string	Tropical sign name and Unicode glyph.
`degree_in_sign`	number	Degree within sign (0–30).
`degree_dms`	string	DMS format.
`is_retrograde`	boolean	Retrograde flag.

Node handling

Both true and mean nodes in every row: north_node_true, north_node_mean, south_node_true, south_node_mean.

const response = await fetch(
  'https://starsapi.com/api/v3/transit/western/ephemeris',
  {
    method: 'POST',
    headers: {
      'X-Api-Key': 'YOUR_API_KEY',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      month: 6,
      year: 2026,
      timezone: 'Asia/Kolkata'
    })
  }
);
const result = await response.json();

if (result.success) {
  console.log(result.data);
}

import requests
import os

response = requests.post(
    'https://starsapi.com/api/v3/transit/western/ephemeris',
    headers={'X-Api-Key': os.environ['STARSAPI_KEY']},
    json={
        'month': 6,
        'year': 2026,
        'timezone': 'Asia/Kolkata'
    }
)
result = response.json()

if result['success']:
    print(result['data'])

<?php
$payload = [
    'month' => 6,
    'year' => 2026,
    'timezone' => 'Asia/Kolkata',
];

$ch = curl_init('https://starsapi.com/api/v3/transit/western/ephemeris');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'X-Api-Key: ' . getenv('STARSAPI_KEY'),
    'Content-Type: application/json'
]);

$response = curl_exec($ch);
$data = json_decode($response, true);

if ($data['success']) {
    print_r($data['data']);
}

import 'package:http/http.dart' as http;
import 'dart:convert';

Future<Map<String, dynamic>> getAscendant() async {
  final response = await http.post(
    Uri.parse('https://starsapi.com/api/v3/transit/western/ephemeris'),
    headers: {
      'X-Api-Key': 'YOUR_API_KEY',
      'Content-Type': 'application/json',
    },
    body: jsonEncode({
      'month': 6,
      'year': 2026,
      'timezone': 'Asia/Kolkata',
    }),
  );
  return jsonDecode(response.body);
}

import Foundation

func getAscendant() async throws -> [String: Any] {
    var request = URLRequest(url: URL(string:
        "https://starsapi.com/api/v3/transit/western/ephemeris"
    )!)
    request.httpMethod = "POST"
    request.setValue("YOUR_API_KEY", forHTTPHeaderField: "X-Api-Key")
    request.setValue("application/json", forHTTPHeaderField: "Content-Type")
    request.httpBody = """
        {
            "month": 6,
            "year": 2026,
            "timezone": "Asia/Kolkata"
        }
        """.data(using: .utf8)

    let (data, _) = try await URLSession.shared.data(for: request)
    return try JSONSerialization.jsonObject(with: data) as! [String: Any]
}

import okhttp3.*
import org.json.JSONObject

val client = OkHttpClient()
val JSON = "application/json; charset=utf-8".toMediaType()

fun getAscendant(callback: (JSONObject) -> Unit) {
    val payload = """
    {
        "month": 6,
        "year": 2026,
        "timezone": "Asia/Kolkata"
    }
    """.trimIndent()

    val request = Request.Builder()
        .url("https://starsapi.com/api/v3/transit/western/ephemeris")
        .addHeader("X-Api-Key", "YOUR_API_KEY")
        .post(payload.toRequestBody(JSON))
        .build()

    client.newCall(request).enqueue(object : Callback {
        override fun onResponse(call: Call, response: Response) {
            callback(JSONObject(response.body!!.string()))
        }
        override fun onFailure(call: Call, e: java.io.IOException) {
            e.printStackTrace()
        }
    })
}

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "net/http"
    "os"
)

func main() {
    payload, _ := json.Marshal(map[string]interface{}{
        "month": 6,
        "year": 2026,
        "timezone": "Asia/Kolkata",
    })

    req, _ := http.NewRequest("POST",
        "https://starsapi.com/api/v3/transit/western/ephemeris",
        bytes.NewBuffer(payload))
    req.Header.Set("X-Api-Key", os.Getenv("STARSAPI_KEY"))
    req.Header.Set("Content-Type", "application/json")

    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()

    var result map[string]interface{}
    json.NewDecoder(resp.Body).Decode(&result)
    fmt.Println(result["data"])
}

require 'net/http'
require 'json'

uri = URI('https://starsapi.com/api/v3/transit/western/ephemeris')
payload = {
  'month' => 6,
  'year' => 2026,
  'timezone' => 'Asia/Kolkata'
}

req = Net::HTTP::Post.new(uri)
req['X-Api-Key'] = ENV['STARSAPI_KEY']
req['Content-Type'] = 'application/json'
req.body = payload.to_json

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
res = http.request(req)

data = JSON.parse(res.body)
puts data['data'] if data['success']

200 RESPONSE

{
  "status": 200,
  "success": true,
  "data": {
    "query": {
      "query_type": "month",
      "month": 6, "year": 2026,
      "timezone": "Asia/Kolkata",
      "zodiac": "tropical",
      "planet": "all",
      "computed_at": "00:00 UTC daily",
      "nodes": "both true and mean (north_node_true/mean, south_node_true/mean)"
    },
    "days": 30,
    "ephemeris": [
      {
        "date": "2026-06-01",
        "weekday": "Mon",
        "time_utc": "00:00",
        "time_local": "05:30",
        "planets": {
          "Sun": {
            "name": "Sun", "symbol": "☉", "longitude": 70.12,
            "sign": "Gemini", "sign_symbol": "♊",
            "degree_in_sign": 10.12, "degree_dms": "10°7'12\"",
            "is_retrograde": false
          },
          "north_node_true": {
            "name": "North Node (True)", "symbol": "☊", "longitude": 16.89,
            "sign": "Aries", "sign_symbol": "♈",
            "degree_in_sign": 16.89, "degree_dms": "16°53'24\"",
            "is_retrograde": true
          },
          "north_node_mean": {
            "name": "North Node (Mean)", "symbol": "☊", "longitude": 17.12,
            "sign": "Aries", "sign_symbol": "♈",
            "degree_in_sign": 17.12, "degree_dms": "17°7'12\"",
            "is_retrograde": true
          }
        }
      }
    ]
  },
  "meta": { "endpoint": "/api/v3/transit/western/ephemeris", "version": "3.0", "zodiac": "tropical" }
}