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.

✦ Newest · The Computed Sky

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.

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.