Added #

• D249 - 249 Subdivisions (High-Precision Micro Analysis)

  • Complete implementation of 249 subdivisions per zodiac sign
  • Ultra-fine granularity for advanced Vedic analysis (~0.12° per subdivision)
  • Odd sign mapping: starts from same sign, counts forward through 249 parts
  • Even sign mapping: starts from 9th sign, counts forward through 249 parts
  • Compatible with existing D1-D60 divisional chart infrastructure
  • Comprehensive test suite with 10+ test cases
  • API: DivisionalChartType.d249

• Corrected Vara (Weekday) Calculation

  • Updated PanchangaService to use Sunrise as the day boundary instead of midnight
  • Births between midnight and sunrise now correctly resolve to the previous day's planet lord
  • API: jyotish.getVara() is now asynchronous and requires location

• Tithi End-Time Analysis

  • New API for finding exact moments when a Tithi ends
  • Uses high-precision binary search with sub-second accuracy
  • API: jyotish.getTithiEndTime()

• Shadbala (Six-fold Planetary Strength)

  • Complete implementation of all 6 strength types:
    • Sthana Bala (Positional Strength)
    • Dig Bala (Directional Strength)
    • Kala Bala (Temporal Strength)
    • Chesta Bala (Motional Strength)
    • Naisargika Bala (Natural Strength)
    • Drik Bala (Aspectual Strength)
  • calculateShadbala() - Calculate complete Shadbala for all planets
  • Strength categorization (Very Strong, Strong, Moderate, Weak, Very Weak)

• Ashtakavarga Reductions (Shodhana)

  • applyTrikonaShodhana() - Trine reduction for 1-5-9 groups
  • applyEkadhipatiShodhana() - Reduction for same sign ownership
  • calculatePinda() - Final planetary strength (Rupas calculation)

• Panchanga Module

  • Tithi, Yoga, Karana, and Vara calculations
  • High-precision sunrise and sunset times using Swiss Ephemeris

• Ashtakavarga System

  • Bhinnashtakavarga (BAV) for all planets
  • Sarvashtakavarga (SAV) calculation
  • Ashtakavarga-based transit strength analysis

• KP System (Krishnamurti Paddhati)

  • Support for KP-specific ayanamsas (New VP291, Khullar)
  • Sign, Star, Sub-Lord, and Sub-Sub-Lord calculations
  • House and planet significators

• Special Transits

  • Sade Sati (Saturn's 7.5 year transit) status and phase analysis
  • Dhaiya (Saturn's 2.5 year transit/Panoti) analysis
  • Panchak detection and precautions

• Muhurta & Auspicious Timings

  • Hourly Hora Lord calculation
  • Daytime and Nighttime Choghadiya periods
  • Inauspicious periods: Rahukalam, Gulikalam, and Yamagandam
  • Activity-based Muhurta filtering

• Vedic Aspect Calculations (Graha Drishti)

  • All planets aspect 7th house (opposition)
  • Mars special aspects (4th, 8th houses)
  • Jupiter special aspects (5th, 9th houses)
  • Saturn special aspects (3rd, 10th houses)
  • Applying/separating aspect detection
  • Aspect strength calculation

• Transit Calculations

  • Current planetary transits over natal positions
  • Transit house placements
  • Transit aspects to natal planets
  • Transit event prediction with date ranges

• Dasha System Support

  • Vimshottari Dasha (120-year cycle)
  • Yogini Dasha (36-year cycle)
  • Mahadasha, Antardasha, Pratyantardasha levels
  • Current period calculation
  • Birth time precision warnings

• Yogini Dasha Antardashas

  • Added support for sub-periods (Antardasha) in Yogini Dasha
  • Added support for sub-sub-periods (Pratyantardasha) in Yogini Dasha
  • Correctly displaying Yogini names (e.g., Mangala, Pingala) instead of planet names

New API Methods #

• getAspects() - Calculate all Vedic aspects between planets
• getAspectsForPlanet() - Get aspects involving a specific planet
• getChartAspects() - Calculate aspects from a VedicChart
• getTransitPositions() - Calculate transit positions relative to natal chart
• getTransitEvents() - Find significant transit events in a date range
• getVimshottariDasha() - Calculate Vimshottari dasha periods
• getYoginiDasha() - Calculate Yogini dasha periods
• getCurrentDasha() - Get active dasha periods at any date

New Models #

• AspectType - Enum of Vedic aspect types
• AspectInfo - Detailed aspect information
• AspectConfig - Aspect calculation configuration
• TransitInfo - Transit position data
• TransitEvent - Transit event details
• TransitConfig - Transit calculation configuration
• DashaPeriod - Dasha period data
• DashaResult - Complete dasha calculation result
• DashaType - Enum of dasha systems
• Yogini - Enum of Yogini dasha lords

Improved #

• Precision: Updated Panchak calculation to use precise Mean Daily Motion of Moon (13.176°) instead of approximation.
• Ephemeris Service: Enhanced support for rise/set transitions and topocentric corrections.
• Vedic Chart: Improved planet data model to support extended Vedic properties.

Fixed #

• Planetary Friendship Calculations

  • Now properly calculates friend, enemy, and neutral relationships
  • Added greatFriend (Adhi-Mitra) and greatEnemy (Adhi-Shatru) dignities
  • Affects dignity calculations in both Rashi and all D-Charts

• D-Chart Dignity Calculations

  • All divisional charts (D1-D60) now calculate dignities correctly
  • Dignities no longer default to "neutral" in D-Charts

• Sade Sati Date Estimation

  • Replaced constant daysPerSign with variable Saturn speed calculation
  • Now accounts for retrograde motion and sign-specific variations
  • More accurate start/end date predictions

• Rahu/Ketu Distinguishability

  • Added lordName field to DashaPeriod to properly distinguish Rahu from Ketu
  • Both planets display correctly in dasha output (e.g., "Rahu-Mercury-Venus")

• KP Ayanamsa Calculation

  • Now uses precise time-varying formula from Swiss Ephemeris
  • Uses SiderealMode.krishnamurtiVP291 instead of hardcoded offset

• Extended Dasha Support

  • Added Chara Dasha (Jaimini sign-based dasha)
  • Added Narayana Dasha
  • Added Ashtottari Dasha (108-year cycle)
  • Added Kalachakra Dasha
  • getDashaPeriods() now supports all these systems

• Jaimini Astrology Support

  • Atmakaraka calculation (planet with highest degree)
  • Karakamsa (Atmakaraka in Navamsa) analysis
  • Rashi Drishti (Sign Aspects) per Jaimini rules

• Sudarshan Chakra

  • Complete analysis of Sun, Moon, and Ascendant charts combined
  • Visualizing planetary positions across all three reference points

• Gochara Vedha (Transit Obstruction)

  • Analysis of Vedha (obstruction) points for transiting planets
  • Determines if a transit's effect is blocked or modified by other planets

Breaking Changes #

• calculateKPData() is now async - Returns Future<KPCalculations> instead of KPCalculations
  • Migration: Add await before the call: final kpData = await jyotish.calculateKPData(chart)

Fixed #

• Fixed package validation errors for pub.dev publishing
• Improved export organization (alphabetically sorted)

Added #

• Initial release of Jyotish library
• Swiss Ephemeris integration via FFI
• Support for all major planets (Sun through Pluto)
• Lunar nodes (Mean and True Node)
• Lunar apogees (Black Moon Lilith)
• Major asteroids (Chiron, Pholus, Ceres, Pallas, Juno, Vesta)
• Tropical and sidereal zodiac calculations
• 40+ ayanamsa systems for sidereal calculations
• Geocentric and topocentric position calculations
• Retrograde detection
• Nakshatra (lunar mansion) calculations
• Zodiac sign and position calculations
• Speed/velocity calculations
• Comprehensive error handling
• Input validation
• Production-ready API
• Full documentation and examples
• Example Flutter app
• Platform support: Android, iOS, macOS, Linux, Windows

Features #

• High-precision astronomical calculations
• Easy-to-use API
• Batch planet calculations
• Flexible calculation flags
• Geographic location support with DMS conversion
• JSON serialization support
• Proper resource management