Features

AstroClock combines professional-grade astronomical calculations, advanced astrological analysis, Gemini AI integration, interactive Oracle guidance, AstroGANN market intelligence, Time Travel simulations and offline-ready chart calculations within a single platform.

Core chart calculation

• Natal chart: Sun, Moon, Ascendant, MC, houses, placements.
• Transits: current planetary positions with clear entry/exit timestamps.
• Ephemeris: automatic Local fallback + Swiss Ephemeris for maximum precision.

Every value is computed locally; no server lookups for chart math.

Real‑time engine (Swiss Ephemeris in WASM)

• Real time Positions update continuously (not precomputed tables).
• WASM WebAssembly delivers near‑native speed in your browser.
• Offline After first load, the engine and data are cached for full offline use.

Learn more about precision and the astronomy under the hood: Swiss Ephemeris — Accuracy & Why It Matters.

Zodiac systems & house systems

• Zodiac systems: Tropical, Sidereal (Lahiri/KP), True Sidereal — MTZ (constellation‑aware with Ophiuchus). See the comparison: Tropical vs Sidereal and the method: True Sidereal (MTZ Midpoint).
• House systems: Whole Sign, Equal (from Asc degree), and Placidus (requires the Swiss Ephemeris engine to be loaded).

Switch frames in Settings → Zodiac system and compare results instantly.

Precise Moon Phases & Eclipses

AstroClock does not rely on static tables to determine New Moons, Full Moons, Solar Eclipses, and Lunar Eclipses. Instead, these events are calculated directly from the real-time astronomical positions of the Sun, Moon, and Lunar Nodes (Rahu/Ketu). Exact event times are determined through precision refinement and are automatically displayed in the "Key Events YYYY" module, including zodiac sign, ecliptic degree, and eclipse classification. This also allows future years to be calculated dynamically without relying on prebuilt calendars.

More under Eclipses & How AstroClock Calculates Them.

Interpretation UI: strengths, retrogrades, aspects

• Strength badges: strong / neutral / weak — a dignity snapshot to orient your reading.
• Retrograde flags: see inward‑turning planetary phases at a glance (with re‑entries logged).
• Aspect badges: ☌ 0°, ⚹ 60°, □ 90°, △ 120°, ☍ 180°, with orb and direction (↑ applying / ↓ separating).

Not sure what each symbol means? Check the FAQ section on aspect symbols and orbs.

Gemini AI Integration: Synthesis, Synastry & Oracle

Gemini AI enables deep exploration of the analysis generated by AstroClock. Instead of simply presenting large amounts of astrological information, it helps organize, connect and explain complex relationships between natal placements, active transits, life themes and relationship dynamics.

• Synthesis: Structures AstroClock's natal analysis, transit analysis, planetary strengths, karmic themes and other interpretation systems into a coherent and easy-to-read overview.
• Oracle Assistant: Acts as an intelligent search and exploration interface for your astrological data, allowing you to ask specific personal questions and receive targeted answers based on your chart and active conditions.
• Relationship Analysis: Explores compatibility, recurring patterns, strengths, challenges and relationship dynamics using Synastry and Composite Chart data generated by AstroClock.
• Multi-Profile Context: Can access multiple saved AstroClock profiles, allowing relationship comparisons, compatibility analysis and cross-profile exploration.
• Context-Aware Exploration: The Oracle can reference natal placements, active transits, life themes, relationship data, Hermetic analysis, karmic themes and additional interpretation systems generated by AstroClock.
• Real-Time Support: Current planetary positions, active transits and changing astrological conditions can be incorporated into responses and discussions.

AstroClock performs the chart calculations, astrological analysis, interpretation generation, Synastry calculations, Composite calculations, planetary strength evaluation, transit analysis and thematic modelling. Gemini AI helps organize this information, generate clear synthesis reports and provide an interactive way to explore the results through the Oracle Assistant.

See more in the FAQ (“Interpretation & Cycles”) and under Gemini AI Integration.

My Life: themes, transits, and Risk & Action Weather

• Life paths: Light/Dark thematic synthesis derived from your natal picture.
• Natal themes: grouped by houses and categories for fast scanning.
• Transit→Natal blocks: context‑aware summaries explaining “what’s active now.”
• Risk & Action Weather: Money and Life gauges with a transparent “Details” list.

Money vs Life scoring uses different weights — see details in FAQ → Scores & Risk logic.

Zeitgeist: collective climate

• Transit→Transit focus: shows the overall “weather” beyond your personal chart.
• Daily tone: quick categories and aspect clusters influencing the day’s mood.

AstroGANN Trading Engine

• Signal Scanner: Scans historical market data and evaluates planetary, cyclical and Gann-inspired conditions to identify statistically stronger market opportunities.
• Multi-Horizon Analysis: Supports N0 (Short-Term), N1 (Mid-Term), and N2 (Macro-Term) market projections.
• Order Book: Stores active and historical trades, signal data, targets, stops, and performance metrics.
• Time Travel Integration: Allows historical testing and validation of signals against previous market environments.
• Offline Trade Reconstruction: If AstroClock is closed, AstroGANN automatically reconstructs market activity when reopened and updates trade statistics accordingly.
• Signal Quality: Uses multiple layers including planetary aspects, cycle alignment, confluence strength, timing structures and validation filters.
• Research Tool: Signals are intended to assist decision making and market research. Trade execution always remains under the user's control.
• Backtesting: Uses AstroClock Time Travel technology to replay historical market conditions and evaluate signal behaviour.

AstroGANN integrates astrology, Gann methodology, cycles, historical validation and structured trade management into a single research environment.

See more in the FAQ (“AstroGANN Trading Engine”) and under AstroGANN Trading Engine.

Privacy, offline mode & data storage

• Local‑first: your inputs stay in the browser (localStorage); no account required.
• Offline mode: after initial download, charts compute without internet. When offline, use coordinates as lat,lon (e.g., 40.713,-74.006).
• Place lookup: only the name‑to‑coordinates search needs internet.

See more in the FAQ (“Basics & Offline”).

Performance & reliability

• WebAssembly engine: Swiss Ephemeris compiles to WASM for near‑native speed.
• Smart caching: once downloaded, the engine and data are reused (no constant redownload).
• Local fallback: if Swiss Ephemeris can’t load, AstroClock still works so you never get stuck.

Get started

• FAQ
• Zodiac Systems
• Tropical vs Sidereal
• True Sidereal (MTZ midpoint)
• Swiss Ephemeris (precision & WASM)