Primary Directions Date List

01 · Source

Paste complete Janus speculum

Use the full text through the final Pole / PHA / Quad data. Seconds-enabled output is preferred; Janus split, compact, and all-in-one column arrangements are accepted.

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02 · Settings

Search options

Exact maturities are found throughout the selected calendar interval.

9 aspects0° through 180°

Both motionsdirect and converse

Calculation options

Include all twelve house cusps plus opposite angle and node-axis equivalents. Uncheck to suppress geometrically redundant opposites. Also use Part of Fortune as a directed source. It is always retained as a natal target.

Waiting for a speculum and date range.

Required: natal longitudes, latitude, OA/OD, MD/SA, Pole/PHA, quadrants, cusps, RAMC.

03 · Output

Maturing primary directions

Native—

Birth—

From—

Through—

Arc span—

Start date

End date

Every exact crossing is refined numerically and assigned to its nearest calendar date. Results are sorted chronologically.

Seconds-enabled Janus values are used throughout, including a fresh MD ÷ SA calculation from the unrounded MD and SA. Minute-only specula remain supported, with their unavoidable source-rounding caveat.

Paste the complete Janus speculum, choose a start and end date,
then find every direct and converse maturity in the interval.

#	Maturity date	Motion	Directed	Aspect	Natal

Method and fixed rules

Planetary factors. Right ascension is recovered from the Janus OA/OD pair. For seconds-enabled data, MD / SA is recalculated from the full MD and SA rather than the displayed four-decimal ratio. The Kühr proportional pole is then calculated as tan p = (MD / SA) × tan φ, followed by sin ADp = tan p × tan δ. Eastern factors use OA = RA − ADp; western factors use OD = RA + ADp.

Angles and cusps. Their 30°-spaced ascensional coordinates are advanced or regressed with the same primary arc. The Topocentric cusp pole is reconciled to the pasted natal cusp position, RAMC, obliquity, and terrestrial latitude before the directed longitude is recovered.

Timing. primary arc = elapsed calendar days × 0.00269861°. Each exact crossing is solved inside the requested interval and converted back to the nearest calendar date. No event-date ephemeris is consulted.

Aspects. 0°, 30°, 45°, 60°, 90°, 120°, 135°, 150°, 180°. Both direct and converse motion are searched independently. The range search samples at no more than 0.25° of primary arc, brackets every crossing, and then refines the root before assigning its date.