Progression

Origin

The principle of progression has roots in Hellenistic astrology, where various symbolic techniques advanced the chart through time. The day-for-a-year principle, sometimes called the Naibod method or the secondary progression, was elaborated in late medieval and Renaissance astrology. Its biblical resonance, the principle that a day of the Lord is as a thousand years and a thousand years as a day, gave it spiritual weight, though its astrological roots are technical: the apparent daily motion of the Sun corresponds to its yearly motion through the zodiac at a one-to-one symbolic ratio. Placidus de Titis in the seventeenth century systematised the technique that has remained dominant in Western astrology.

In medieval European astrology the technique called primary directions, distinct from secondary progressions, advanced the chart by the rotation of the sphere, equating each four minutes of celestial rotation with one year of life. William Lilly and other horary astrologers used both primary directions and secondary progressions for predictive work. With the rise of modern psychological astrology in the twentieth century, the secondary progression became the dominant progressive technique, particularly for the progressed Moon and the progressed Sun, and was developed extensively by Liz Greene and Robert Hand as a tool for psychological interpretation. The progressed lunation cycle in particular, the cycle from progressed New Moon to progressed Full Moon and back, became central in Dane Rudhyar's teaching.

Meaning and function

In secondary progression, each day after your birth corresponds to one year of your life. The progressed Sun moves approximately one degree per year, so it changes sign approximately every thirty years; the progressed Moon moves about one degree per month, completing a cycle of the zodiac in about twenty-seven and a half years; the progressed inner planets Mercury, Venus, and Mars move at varying rates, with retrograde phases that bring deep inner reviews. The outer planets move so slowly in progression that they barely shift across a lifetime, so progressed outer planets are usually only relevant when changing sign or making exact aspects to natal personal points.

The progressed Moon is one of the most important progressive indicators, marking the emotional and inner-life themes of each year. As it moves through each natal house in roughly two and a half years, it brings the themes of that house into emotional focus. The progressed lunation cycle, the angular relationship between progressed Sun and progressed Moon, marks an inner cycle from new beginnings (progressed New Moon, every thirty years approximately) through expansion, fullness, integration, and release back to new beginning. Progressed Sun changes of sign mark major identity shifts approximately every thirty years; progressed Sun aspects to natal planets describe the years in which those planets are activated within the developing self.

In practice

To work with progressions, generate your progressed chart for the current year alongside your natal chart and observe the differences. The progressed Moon's sign and house indicate the current emotional climate and the territory of life currently in focus. Progressed Sun's aspects to natal planets, especially the year of an exact aspect, describe what the developing self is currently working with. Major progressions to attend include progressed Sun to natal angles, progressed Sun to natal Moon, progressed Moon return (every twenty-seven and a half years), progressed New Moon and Full Moon, and progressed Mercury, Venus, or Mars stations and sign changes.

Common configurations include the progressed Moon entering each new house every two to three years, the progressed Sun changing sign approximately at thirty, sixty, and ninety years of life, and the progressed New Moon every twenty-nine to thirty years marking a new inner cycle. The progressed lunation cycle correlates beautifully with the major life decades: the first quarter is youth, the full phase is the great visible development, the last quarter is integration and release. To work with your progressions, generate the chart for now, observe the progressed Moon and progressed Sun, and consider what inner movement they describe in your current year. Build your full natal chart first, then add progressions for context.

Symbolic depth

Progressions describe the slow inner unfolding of the soul, distinct from the events of the outer world that transits more closely reflect. While transits often correlate with what happens to you, progressions correlate with who you are becoming. The day-for-a-year ratio carries an ancient symbolic resonance, the principle that the small unit of the day reflects the large unit of the year, that the part contains the whole, that the quick motion of the day mirrors the slow motion of life. In the tarot, progressions resonate with The World, card twenty-one, the figure of the unfolding completion, and with The Wheel of Fortune, the great cycle of inner and outer time.

In Vedic astrology the equivalent technique is the dasha system, in which planetary periods of varying length govern different periods of life, providing detailed timing through the Vimshottari dasha cycle of one hundred and twenty years. The Western progression and the Vedic dasha give different but complementary views of the inner unfolding. In esoteric astrology progressions describe the soul's curriculum unfolding through the years, the slow ripening of qualities planted at birth. The progression asks you to recognise that becoming takes time, that the soul unfolds at its own pace, and that the inner clock of progressions is as real as the outer clock of transits. Continue through the glossary.

Also known as

• Secondary Progression
• Progressed Chart
• Day-for-a-year
• Inner unfolding
• Symbolic advance