Notes from a computed sky.
Everything here clears one bar: it can be checked. Computed tables, primary sources, tools you can run yourself — never predictions, never filler.
Why zodiac dates shift year to year — a 101-year table
Sun sign date ranges aren't fixed the way a wall calendar implies. Sampled across 101 years, seventeen calendar dates come out genuinely split.
The Sky Letter
One post per real sky event — the meaning layer, on an evergreen page that returns each cycle.
The Computed Sky
Questions answered by running the ephemeris, method shown — tables that exist nowhere else.
Why zodiac dates shift year to year — a 101-year table
Sun sign date ranges aren't fixed the way a wall calendar implies. Sampled across 101 years, seventeen calenda
Two sites, two rising signs — who's right?
Enter the same birth date, time, and place into two different calculators and get two different rising signs.
Mercury retrograde 2026–2027: every station, computed to the minute
Every Mercury retrograde window through early 2028, found by walking the ephemeris until the planet's motion a
Birth-Date Culture
Where birthstones, birth flowers, and zodiac tables actually come from — primary sources named.
Chart Literacy
How to read the wheel this site draws — plainly, as geometry and tradition.
No birth time? What you honestly can and can't know
A missing birth time doesn't erase a chart — but it does erase certain parts of it for good, and the honest mo
How we test our engine against a century of sky
Before this calculator went live, its output was checked against an independent astronomy library across twent
Houses without jargon
Twelve regions of a chart, each covering a different area of life — explained as a plain reference table, not
The Big Three, plainly
Sun, Moon, and rising sign — the three placements every chart leads with, explained without the usual jargon p
Aspects as geometry
An aspect is nothing more than an angle between two points on the wheel — measured in degrees, drawn as a line