Dasha Prediction API: Calculate Planetary Periods Programmatically

What is the Dasha System?

The Dasha system is Vedic astrology's timing mechanism. While a birth chart shows what will happen, Dashas tell you when. It's the most critical component for predictions.

Vimshottari Dasha Periods

The 120-year cycle divided among 9 planets:

API Request

POST https://api.vedika.io/v1/predictions/dasha

{
  "dateOfBirth": "1990-05-15",
  "timeOfBirth": "14:30:00",
  "placeOfBirth": "Mumbai, India",
  "dashaSystem": "vimshottari",
  "levels": 3
}

API Response

{
  "currentDasha": {
    "mahadasha": {
      "planet": "Jupiter",
      "startDate": "2018-03-15",
      "endDate": "2034-03-15",
      "yearsRemaining": 8.24
    },
    "antardasha": {
      "planet": "Saturn",
      "startDate": "2024-07-20",
      "endDate": "2027-01-28",
      "monthsRemaining": 24.2
    },
    "pratyantar": {
      "planet": "Mercury",
      "startDate": "2025-11-05",
      "endDate": "2026-03-18",
      "daysRemaining": 86
    }
  },
  "prediction": {
    "overall": { "text": "Jupiter-Saturn-Mercury period brings focus on career...", "sentiment": "positive", "score": 78 },
    "career": { "text": "Excellent for promotions and recognition...", "sentiment": "positive", "score": 92 },
    "health": { "text": "Watch for respiratory issues...", "sentiment": "neutral", "score": 62 },
    "relationship": { "text": "Stable but requiring patience...", "sentiment": "neutral", "score": 68 }
  },
  "upcomingDashas": [
    {
      "mahadasha": "Jupiter",
      "antardasha": "Mercury",
      "startDate": "2027-01-28",
      "endDate": "2029-05-06"
    }
  ],
  "fullDashaTimeline": [
    {"planet": "Venus", "start": "1990-05-15", "end": "2001-05-15"},
    {"planet": "Sun", "start": "2001-05-15", "end": "2007-05-15"},
    {"planet": "Moon", "start": "2007-05-15", "end": "2017-05-15"},
    {"planet": "Mars", "start": "2017-05-15", "end": "2024-05-15"},
    {"planet": "Rahu", "start": "2024-05-15", "end": "2042-05-15"}
  ]
}

Python Implementation

import requests
from datetime import datetime

def get_current_dasha(dob, tob, place):
    """Get current running Dasha periods"""
    response = requests.post(
        "https://api.vedika.io/v1/predictions/dasha",
        headers={"Authorization": "Bearer YOUR_API_KEY"},
        json={
            "dateOfBirth": dob,
            "timeOfBirth": tob,
            "placeOfBirth": place,
            "dashaSystem": "vimshottari",
            "levels": 3
        }
    )
    return response.json()

# Get dasha data
dasha = get_current_dasha("1990-05-15", "14:30:00", "Mumbai, India")

# Current periods
current = dasha['currentDasha']
print(f"Mahadasha: {current['mahadasha']['planet']}")
print(f"Antardasha: {current['antardasha']['planet']}")
print(f"Pratyantar: {current['pratyantar']['planet']}")

# Predictions
print(f"\nPrediction: {dasha['prediction']['overall']}")

Supported Dasha Systems

• Vimshottari - Most popular, 120-year cycle
• Yogini - 36-year cycle, 8 yoginis
• Chara - Jaimini system, sign-based
• Ashtottari - 108-year cycle
• Kalachakra - Complex Nakshatra-based

Use Cases