Observed arrival · 2026-08-21

Ephemeris Lab puts receipts on astrology charts

ephemerislab.app Observed source

Editorial interest 84/100 Selection signal · not a rating of the site

A forthcoming offline astrology desktop app for Windows, macOS, and Linux that records how each chart was calculated.

Landing page captured for the 2026-08-21 issue.

Why it surfaced

Ephemeris Lab refuses to turn unknown birth times into fake noon charts or silently guess time zones. It promises reproducible, byte-identical results with the zodiac, house system, ephemeris kernel, engine version, and other calculation choices printed alongside the chart.

A forthcoming offline astrology desktop app for Windows, macOS, and Linux that records how each chart was calculated.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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