· 11 min read
Annual Profections Time Lord: Find Your Lord of the Year
Annual profections time lord: each year of life advances the rising sign by one sign, naming the profected house and the lord of the year. Formula inside.
T
Torsten Brinkmann
Astrologer & Developer Advocate
Germany49 articles published
Torsten Brinkmann combines 16 years of Western astrology practice with a software engineering background, specializing in astrological calculation tools, birth chart APIs, and planetary aspect analysis. His Computer Science training shapes writing that addresses both the astronomical mathematics behind natal charts and the developer integration patterns for astrology APIs. He is currently writing a technical guide to birth chart calculation for developers.
Computer Science background16 years of practiceWriting a technical astrology guide
Western astrologyBirth chart analysisPlanetary aspectsSynastryForecastTransit forecastingHuman DesignBodygraph analysisAPI integrationAstrology software
Articles by Torsten Brinkmann
· 10 min read
Astrocartography Lines: MC, IC, ASC and DSC for Relocation
Astrocartography lines show where each planet turns angular for one birth moment: MC and IC meridians, Ascendant and Descendant curves, ready to map.
· 13 min read
Astrology Website Design: A Free Bookable Template You Own
Astrology website design for astrologers and tarot readers: fork a free MIT template, edit one file, add booking and a blog, and own every line.
· 12 min read
Fixed Stars Astrology Degrees, Asteroids and Arabic Lots
Fixed stars astrology degrees precessed to every chart date, plus asteroids, Arabic lots, progressions, solar arc and profections from one key.
· 12 min read
Build a C#/.NET Insight App: Astrology, Vedic, Tarot
Build a multi-domain insight app in C# with the RoxyApi.Sdk NuGet package. Astrology, Vedic kundli, tarot, numerology and every other domain, one key.
· 12 min read
Human Design Calculator API: What a Buyer Must Verify
Human Design calculator API checks: the full bodygraph in one call, the exact 88 degree solar arc, true nodes, Remote MCP and flat pricing.
· 10 min read
Birth Time and Date Input Formats for Astrology APIs
How an astrology API should parse birth time and date input, from HH:MM to a trailing Z, and why 25:00:00 still has to fail with a 400.
· 9 min read
Black Moon Lilith: Why Mean and True Disagree by a Sign
Two astrology APIs can place Black Moon Lilith a full zodiac sign apart. Here is why mean and true osculating lunar apogee diverge by up to 30 degrees, and how to return both from one call.
· 10 min read
Why AI Chatbots Hallucinate Birth Charts and How to Fix It
Why AI chatbots invent wrong planet positions and rising signs, with a measured test, plus how to ground your astrology app on verified chart data.
· 12 min read
RoxyAPI vs Prokerala: Astrology API Comparison 2026
Compare RoxyAPI and Prokerala astrology APIs on pricing, credit costs, domain coverage, MCP, and SDKs, with live-verified 2026 numbers.
· 16 min read
Is It Hard to Build Your Own Astrology API?
You can compute a chart yourself. A production astrology API is ongoing engineering: verified accuracy, clean licensing, and every domain kept correct.
· 9 min read
AI Companion With Long Term Memory: The Astrology Pattern
AI companion with long term memory: keep chart, past readings and reactions on your own stack, and let a stateless astrology API compute the facts.