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Aspect

Semi-sextile (30°): meaning and how to read it

Tropical zodiac, Western astrology

Semi-sextile (30°) · กึ่งโยค (30°)

Key idea

A semisextile links two planets or points 30° apart, in neighbouring signs that share no element and no modality. Each planet works in quite a different style, and the contact is faint, often unnoticed. The one thing to remember is that a semisextile is a quiet link between neighbours with little in common. It is a minor aspect, off by default.

Keywords

  • Neighbours
  • Subtle link
  • Mild contact
  • Small adjustment
  • Awareness

Psychological meaning

In modern psychological astrology the semisextile is the faintest of the contacts: two planets in adjacent signs that live next door and rarely talk. You may notice that two parts of you operate in different registers, one fast and one slow, one practical and one emotional, and that you do not combine them naturally. The effect is rarely dramatic. It can show up as a mild lack of coordination, or as an area where connecting two interests takes deliberate effort.

Over time, attending to this link can build a useful bridge between two parts of life that others keep separate. Natalora files the aspect under harmonious, but the contact is small, so treat it as a background note rather than a headline. The signs show the two styles and the houses show where the connection is waiting to be made. It rarely matters alone unless it is almost exact.

Strengths

  • You can build a bridge between two quite different parts of life.
  • Small, patient attention in this area pays off.
  • You notice details that others pass over.

Challenges

  • The two planets barely speak, so coordination takes effort.
  • The link is so faint that you may overlook it.
  • Treating it as a major theme can lead to overreading.

Textbook facts

Values of the aspect
FactValue
Angle30°
Default orb2°
QualityHarmonious
Major aspectNo
Harmonic12

Source: Leo 1928 ch. IV, pp. 39–66 · Zadkiel 1833 Bk I ch. IV, p. 16 · Raphael 1877 ch. II, pp. 3–5

How to read it in a chart

Find two planets about 30° apart, usually in neighbouring signs. The default orb is 2° and the aspect is off unless you switch it on in the chart options, so it appears only when almost exact. Compare the two signs: they differ in element and modality. Then look at the houses for where the connection is waiting to be made. Give it low weight beside the major aspects, and more only if a planet involved is important in the chart.

In your chart

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Sources

  • Alan Leo, The Reading of the Horoscope (1928) ch. IV, pp. 39–66
  • Zadkiel, The Grammar of Astrology (1833) Bk I ch. IV, p. 16
  • Raphael, The Guide to Astrology (1877) ch. II, pp. 3–5

To see this in your own chart, cast it in the app from your date, time and place of birth.