♈ Aries
cardinal fire · Sun in Aries: March 20 – April 20, 2026 (computed from the ephemeris)
Aries opens the zodiac at the spring equinox, and everything the tradition says about it follows from that placement: it is the year's ignition, the moment light overtakes dark. Cardinal fire ruled by Mars reads as initiative in its purest form — the impulse that starts things without waiting for permission or precedent. The Sun is exalted here: identity burns clearest at the moment of setting out.
The gift is courage that doesn't consult a committee; the cost is a short attention span for anything already started. Classical writers gave Aries the head, and the sign's characteristic failures are headfirst ones — haste, bluntness, the first word that should have been the second thought.
In the tradition
| Ruler | Mars |
| Exalted here | Sun |
| In detriment | Venus (it rules the opposite sign) |
| In fall | Saturn (exalted opposite) |
| Body-map | the head and face |
Every fact above is read from the same dignity tables the chart engine uses — the reference cannot drift from the math.
The three decans
| Decan | Chaldean face | Triplicity ruler |
|---|---|---|
| 0°–10° | Mars | Mars |
| 10°–20° | Sun | Sun |
| 20°–30° | Venus | Jupiter |
Two systems, honestly both: the Chaldean faces walk the seven classical planets in slowest-to-fastest order continuously through all 36 decans; the triplicity decans hand each third to the ruler of the next sign of the same element.
The axis, and the sign's kin
Aries faces Libra across the wheel; the axis is about self and other: the courage to start alone against the art of weighing someone else in.
Same element (fire triad): Leo · Sagittarius. Same modality (cardinal cross): Cancer · Libra · Capricorn.
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