24 Solar Terms (節氣)
curl -X POST https://api.astroway.info/v1/chinese/solar-terms \ -H "X-Api-Key: aw_live_..." \ -H "Content-Type: application/json" \ -d '{ "year": 2026 }'const res = await fetch('https://api.astroway.info/v1/chinese/solar-terms', { method: 'POST', headers: { 'X-Api-Key': process.env.ASTROWAY_API_KEY, 'Content-Type': 'application/json', }, body: JSON.stringify({ "year": 2026 }),});const { ok, data, error } = await res.json();if (!ok) throw new Error(error.message);console.log(data);import os, requests
r = requests.post( 'https://api.astroway.info/v1/chinese/solar-terms', headers={'X-Api-Key': os.environ['ASTROWAY_API_KEY'], 'Content-Type': 'application/json'}, json={ 'year': 2026 },)result = r.json()if not result['ok']: raise RuntimeError(result['error']['message'])print(result['data'])<?phpuse GuzzleHttp\Client;
$client = new Client(['base_uri' => 'https://api.astroway.info/v1/']);$r = $client->post('chinese/solar-terms', [ 'headers' => ['X-Api-Key' => getenv('ASTROWAY_API_KEY')], 'json' => [ 'year' => 2026, ],]);$result = json_decode($r->getBody(), true);if (!$result['ok']) throw new \RuntimeException($result['error']['message']);print_r($result['data']);The 24 solar terms of a Chinese solar year as exact instants, in UTC and Beijing time. Twelve of them open a BaZi pillar month; the other twelve decide where a leap month falls.
Authorizations
Section titled “Authorizations ”Parameters
Section titled “ Parameters ”Query Parameters
Section titled “Query Parameters ”Comma-separated dotted paths, relative to data, to keep in the response. A path is applied to every element of an array, so planets.name means the name of each planet. Paths that match nothing come back in _fields_unmatched; a list where nothing matches at all is a 400, because an empty object would be a confident wrong answer.
Example
planets.name,planets.longitudeRound every non-integer number in the response to this many decimal places. Integers are left alone, because an id is not a measurement. Ecliptic longitudes ship with fourteen decimals by default; 2 is about a tenth of an arcminute.
Example
4Request Body required
Section titled “Request Body required ”object
Example
{ "year": 2026}Responses
Section titled “ Responses ”Successful calculation
object
object
object
Example
{ "ok": true, "data": { "year": 2026, "terms": [ { "index": 0, "chinese": "立春", "pinyin": "Lichun", "english": "Start of Spring", "sunLongitude": 315, "utc": "2026-02-03T20:02:08Z", "beijing": "2026-02-04T04:02:08+08:00", "opensPillarMonth": true } ], "notes": [ "Index 0 is Lichun, which opens the Chinese solar year; the sequence ends with Dahan in the following January." ] }}Validation error
Example
{ "ok": false, "error": { "code": "INVALID_INPUT", "message": "Validation failed: date: Date must be YYYY-MM-DD", "details": [ { "path": "date", "message": "Date must be YYYY-MM-DD" } ] }}Missing or invalid API key
Example
{ "ok": false, "error": { "code": "INVALID_API_KEY", "message": "Invalid API key" }}