Dasha-Transit Correlation

Correlates active Vimshottari Dasha lords (maha, antar, pratyantar) with current planetary transits. Returns conjunction and aspect correlations scored by strength, and highlights periods of significance. Request JSON follows BirthInput plus optional target_date, target_time, target_timezone for the analysis moment: name, date, time, location or latitude/longitude/timezone, ayanamsa.

Endpoint

POST /v1/astro/dasha-transits

Request parameters

Field	Type	Required	Description
location	string | null	No	City name to resolve to lat/lon/tz automatically. Example: 'Mumbai' or 'New Delhi, India'. If provided, latitude, longitude and timezone are not required.
name	string	No	Person name associated with the birth record
date	string	Yes	Birth date in YYYY-MM-DD format
time	string | null	No	Birth time in HH:MM 24-hour format. If omitted, sunrise chart is used as fallback.
latitude	number | null	No	Latitude. Required if location not provided.
longitude	number | null	No	Longitude. Required if location not provided.
timezone	string | null	No	IANA timezone. Required if location not provided.
ayanamsa	string	No	Sidereal ayanamsa mode used in calculations
target_date	string | null	No	YYYY-MM-DD. Defaults to today.
target_time	string | null	No	HH:MM. Defaults to noon.
target_timezone	string | null	No	Timezone for target date.

Example request

curl

curl -X POST "https://api.asterwise.com/v1/astro/dasha-transits" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"date":"1985-11-12","time":"06:45","latitude":19.076,"longitude":72.8777,"timezone":"Asia/Kolkata"}'

Python

import asterwise
from asterwise.api.astrology_api import AstrologyApi
from asterwise.models.dasha_transits_request import DashaTransitsRequest

configuration = asterwise.Configuration(
    host="https://api.asterwise.com",
    access_token="YOUR_API_KEY",
)

request = DashaTransitsRequest(
    date="1985-11-12",
    time="06:45",
    latitude=19.076,
    longitude=72.8777,
    timezone="Asia/Kolkata",
)

with asterwise.ApiClient(configuration) as client:
    api = AstrologyApi(client)
    result = api.dasha_transits(dasha_transits_request=request)
    print(result)

TypeScript

import { createClient, createConfig, dashaTransits } from 'asterwise';

const client = createClient(createConfig({
  baseUrl: 'https://api.asterwise.com',
  headers: { Authorization: 'Bearer YOUR_API_KEY' },
}));

const result = await dashaTransits({
  client,
  body: {
      "date": "1985-11-12",
      "time": "06:45",
      "latitude": 19.076,
      "longitude": 72.8777,
      "timezone": "Asia/Kolkata"
  },
});

console.log(result.data);

Example response

{
  "success": true,
  "message": "success",
  "data": {
    "target_date": "2026-05-28",
    "active_dasha": {
      "start_date": "2023-04",
      "end_date": "2040-04",
      "maha": {
        "planet": "Mercury",
        "start_date": "2023-04",
        "end_date": "2040-04"
      },
      "antar": {
        "planet": "Ketu",
        "start_date": "2025-09",
        "end_date": "2026-09"
      },
      "pratyantar": {
        "planet": "Jupiter",
        "start_date": "2026-04",
        "end_date": "2026-06"
      }
    },
    "transit_positions": {
      "Sun": {
        "rashi_index": 1,
        "rashi": "Vrishabha",
        "is_retrograde": false,
        "house_from_moon": 8,
        "house_from_lagna": 10
      },
      "Moon": {
        "rashi_index": 6,
        "rashi": "Tula",
        "is_retrograde": false,
        "house_from_moon": 1,
        "house_from_lagna": 3
      },
      "Mars": {
        "rashi_index": 0,
        "rashi": "Mesha",
        "is_retrograde": false,
        "house_from_moon": 7,
        "house_from_lagna": 9
      },
      "Mercury": {
        "rashi_index": 1,
        "rashi": "Vrishabha",
        "is_retrograde": false,
        "house_from_moon": 8,
        "house_from_lagna": 10
      },
      "Jupiter": {
        "rashi_index": 2,
        "rashi": "Mithuna",
        "is_retrograde": false,
        "house_from_moon": 9,
        "house_from_lagna": 11
      },
      "Venus": {
        "rashi_index": 2,
        "rashi": "Mithuna",
        "is_retrograde": false,
        "house_from_moon": 9,
        "house_from_lagna": 11
      },
      "Saturn": {
        "rashi_index": 11,
        "rashi": "Meena",
        "is_retrograde": false,
        "house_from_moon": 6,
        "house_from_lagna": 8
      },
      "Rahu": {
        "rashi_index": 10,
        "rashi": "Kumbha",
        "is_retrograde": true,
        "house_from_moon": 5,
        "house_from_lagna": 7
      },
      "Ketu": {
        "rashi_index": 4,
        "rashi": "Simha",
        "is_retrograde": false,
        "house_from_moon": 11,
        "house_from_lagna": 1
      }
    },
    "correlations": [
      {
        "dasha_level": "antar",
        "dasha_lord": "Ketu",
        "transit_planet": "Moon",
        "aspect_type": "conjunction",
        "score": 3,
        "natal_rashi": "Tula",
        "transit_rashi": "Tula",
        "is_retrograde": false,
        "significance": "High — Moon influencing Ketu (antar lord)"
      },
      {
        "dasha_level": "antar",
        "dasha_lord": "Ketu",
        "transit_planet": "Mars",
        "aspect_type": "opposition",
        "score": 2,
        "natal_rashi": "Tula",
        "transit_rashi": "Mesha",
        "is_retrograde": false,
        "significance": "Moderate — Mars influencing Ketu (antar lord)"
      },
      "... and 5 more items"
    ],
    "periods_of_significance": [
      {
        "dasha_level": "antar",
        "dasha_lord": "Ketu",
        "transit_planet": "Moon",
        "aspect_type": "conjunction",
        "score": 3,
        "natal_rashi": "Tula",
        "transit_rashi": "Tula",
        "is_retrograde": false,
        "significance": "High — Moon influencing Ketu (antar lord)"
      },
      {
        "dasha_level": "antar",
        "dasha_lord": "Ketu",
        "transit_planet": "Mars",
        "aspect_type": "opposition",
        "score": 2,
        "natal_rashi": "Tula",
        "transit_rashi": "Mesha",
        "is_retrograde": false,
        "significance": "Moderate — Mars influencing Ketu (antar lord)"
      },
      "... and 2 more items"
    ]
  }
}

Response fields

Field	Type	Description
success	boolean	True if the request succeeded
message	string	Human-readable status message
data	object
data.target_date	string
data.active_dasha	object
data.transit_positions	object
data.correlations	array[object]
data.periods_of_significance	array[object]

Errors

Code	Description	Reference
authentication_failed	Missing or invalid API key.	authentication_failed
ephemeris_unavailable	Upstream ephemeris service error.	ephemeris_unavailable
insufficient_tier	API key tier does not include this endpoint.	insufficient_tier
internal_error	Unexpected server error.	internal_error
ip_rate_limit_exceeded	Too many requests in a short window.	ip_rate_limit_exceeded
payload_too_large	Request body exceeds the size limit.	payload_too_large
resource_not_found	Referenced resource was not found.	resource_not_found
validation_error	Request body failed schema validation.	validation_error

Related endpoints

• Ashtottari Dasha
• Jaimini Char Dasha
• Vimshottari Dasha
• Yogini Dasha