Tag Archives: planetary strength

Twelve Easy Lessons for Absolute Beginners | 2. Charting, Angles, Advancement

This is a series of posts for those wishing to learn the basics of applied Hellenistic astrology.  In the last post, we looked at the basic significations of the planets, as well as some history and preliminaries.  If you haven’t already done so, please read that post, and spend a little time thinking in terms of the planets, before proceeding.

Those looking for an easy way to explore the significations of the planets in more depth should download the PDF of the full English translation of the Anthology of Vettius Valens (click here to open the PDF or right click and choose “save as” to download).  Not only is it an indispensable and enormous text of Hellenistic astrology, but it begins immediately with Valens on the significations of the planets.


Contrary to popular belief, you don’t need to spend hundreds of dollars to obtain really good software for traditional astrology.  As we proceed to learn about how to read a chart in this lesson, I’m going to walk you through pulling up charts using the free online Astrodienst (astro.com) charting service.  In a future lesson I’ll show how to pull up charts and work predictively in the advanced open-source traditional astrology program, Morinus.


I recommend first pulling up and downloading a copy of your chart using Astrodienst, which is at Astro.com.  It is free to register with the site and the process is rather self-explanatory (click Login in the upper right corner, then “Create a free registered user profile” and follow the instructions) .  After registered, you will find that you are faced with many free and paid computer-generated reading options.  I personally don’t recommend any of the computer-generated readings on the site.  There is also a chart-drawing service though, and it is quite good for pulling up birth charts.  The section of the site called “My Astro” allows you to store many people’s birth information for easy access to your charts from anywhere with internet access.

It is easy to chart in Astrodienst, but first you will want to have your birth information handy.  The information that you’ll need is the date, location (city), and time of birth.  Typically a birth certificate is the more accurate source for this information.  Obtain this information before proceeding, either of your own birth or that of someone of interest.

With birth info in hand, log in to Astrodienst and (if necessary) click the “Add new Astro data” link.  Fill out the Birth Data Entry and click “Continue”.  Make sure the correct town is selected and click “Continue” again.  If this is your first time using the program you might be taken directly to the Free Horoscopes page, but if not then click the “Free Horoscopes” link from the top bar.  Scroll down and choose “Chart Drawing Ascendant”.  This is the option that will do for now, even though it uses a modern house system and includes outer modern astronomical planets, as well as Chiron and a lot of information beside the chart, some of which is insignificant.  Once the chart is up, you can use the drop down menu above the chart to choose to pull up the chart for other people whose birth information you’ve entered.  Click on the chart to pull it up in a window of it’s own, where you can right-click and choose “Save Image As” to save the chart to your computer, or press CTRL+p to print the chart.  The chart should look something like what is below, which is the chart of Angelina Jolie (press CTRL+Click on the chart to expand in a new tab).

Angelina Jolie


In your astrological studies, a time will come when you’ll want to check out the charts of celebrities.  There is a database of celebrity charts that is now maintained by Astrodienst and integrates with its My Astro chart collection.  This database is called Astro-Databank (click to go there).

Let’s say that you wanted to add Angelina Jolie’s chart to your own chart collection.  You would type “Angelina Jolie” in the Search box and then click her name from the list of results.  This will pull up her biography and chart information, with a small chart that you can click to see larger (click here to go there).  Make special note of the “Rodden Rating” which is an evaluation of how accurate the birth time information is likely to be (AA is best, while anything C or below shouldn’t be trusted).  To add birth information to your collection click the link “add Angelina Jolie to ‘my astro'” which appears below the grey box.

The Angles

There is much on this chart drawing that you should ignore for now, including all the red and blue lines jutting around the chart.  For now imagine that the small center circle inside the chart, around which the numbers appear, is like the sphere of the Earth.  Look at the four bold lines that jut out from that sphere.  These 4 lines are much like the “cross-hairs” of the location.  It is as if planets on them have arrived at the location, those moving toward them are arriving, and after passing a planet is leaving the location. These 4 points are called the “Angles” or “Pivots” of the chart.  Planets on them are extremely prominent or important in their significations over the life.


The horizontal lines are the horizon at the place you were born. Notice on the left that it is marked with an AC, for Ascendant.  On the opposite side there is a DC, for Descendant.  The Ascendant is where planets rise or “ascend”, while the Descendant is where they set or “descend”.  The Ascendant is in a general eastern direction and the Descendant in a western one, as “the Sun rises in the east, and sets in the west”.  A planet above the line was above the horizon, i.e. in the sky, at the person’s birth, while one below the line was below the horizon, i.e. under the earth.

You will notice that there is a planetary symbol at Angelina Jolie’s Ascendant.  The symbol is that of Venus. Venus is therefore very prominent over Jolie’s life, and her significations of beauty, love, creativity, the arts, and general physical benefit are very “loud” in her life.

Sect of the Chart

For astrological purposes, a chart is a day chart or diurnal if the Sun is above the horizon, while a night chart or nocturnal if the Sun is below the horizon.  This is known as the sect of the chart.  The symbol for the Sun is above the horizon in Jolie’s chart, so she was a day birth, and in a sense we may think of her, herself, as of the diurnal sect.


The vertical, nearly perpendicular lines, are the meridians, like the vertical lines you see on a globe.  The top one is where the Sun reaches its highest point or “culminates” up in the sky, which is the natural “Noon” position.  The bottom one is the meridian on the other side of the earth, where the Sun anti-culminates under one’s feet at the natural “Midnight”.  The top angle is that of the sky and is called the medium coeli (“middle of the sky”) or midheaven, abbreviated MC.  The bottom angle is the angle of the earth, called the imum coeli (“bottom of the sky”), abbreviated IC.

If one is in the northern hemisphere, the top angle is exactly due south, because we are looking toward the equator to the south when we see a culminating planet.  The other angle is due north.  Thus the astrological chart is like an upside-down map as far as directions go.  The top is south, the left is easterly, the bottom is north, and the right is westerly.

Looking at these additional two “Angles” we see that Angelina Jolie has one planet on the MC.  That planet is Jupiter, planet of fortune, opportunity, gifts, generosity, and general social and mental benefit.

Angelina Jolie

The numbers next to Jupiter’s symbol are the degrees and minutes of the sign where Jupiter is located.  These are coordinates of its location.  Notice Jupiter is at degree 17, as is the MC.  They are in the same degree out of the 360 degree circle.  Similarly, Venus was in the same degree as the Ascendant.  Because the degrees on the angles shift about every 4 minutes (of regular clock time), it is rare to find a planet in the same degree as an angle.  Typically, we will consider a planet on an angle when within about 3 degrees, or a little more than that when dealing with the Sun and Moon.  Notice that Mars is at degree 10, which is about 7 degrees from the MC, so we wouldn’t consider it on the angle.  The Moon is at 13, which is about 4 to 5 degrees from the MC, so we would judge the Moon to be of increased prominence as well in this chart by this method.


This idea of a planet becoming more prominent when it reaches the horizon or meridian of the location (i.e. one of the Angles) vastly predates the advent of horoscopic astrology and is a feature of geographically disparate astrological traditions.  This is why I feel it necessary to present it first.

A quick survey of archaeoastronomy reveals attention to the moments when important planetary phenomena reach the angles in the construction of temples, monuments, and sacred sites the world over.  For example, El Castillo, a step-pyramid at the center of the Mayan Chichen Itza, has a western face that points to sunset on the traditional date of the start of the rainy season.  Similarly, Stonehenge has important alignments to risings and settings marking the annual transitions of midsummer and midwinter.  Karnak (in Egypt) and many other such sites reveal similar attention to risings, settings, and culminations on key days of the year.  Again, the basic idea is to draw attention at the time of the planet’s “arrival” to one of the distinguishing coordinates of the location.

Advancing and Retreating as Metaphors

You’ll notice that very few people have planets actually conjunct (i.e. on or at) an Angle.  However, while this is the most powerful position, Hellenistic astrologers did attach increased importance to a planet approaching an angle, and decreased importance to one receding from an angle.  The exact definition of when a planet is considered approaching or “advancing” and when it is considered receding or “retreating” varies slightly with different authors but the idea is the same.  The idea is that a planet’s significations become increasingly strong as it moves closer and closer to the angle, becoming strongest when it is conjoined to the angle, and then quickly dropping off until it has traveled sufficiently toward the next angle.

You may recall that a planet rises at the Ascendant, culminates at the MC, sets at the Descendant, anti-culminates at the IC, and then rises again at the Ascendant.  This clockwise motion is called the Primary Motion and is shown below.

Primary Motion

Convenient for our purposes, the concept of advancement and retreat was confused for a method of assigning topics to the signs, called the division of the houses.  Thus in modern charts, including this one provided by Astrodienst, the space between any two angles is divided up into three segments, which are numbered for houses, but actually are to be used for evaluating strength by way of this concept of advancement and retreat.  Planets in one of the segments that is right after an angle by primary motion (marked 3, 6, 9, and 12 on the chart) are “retreating” from the Angle or “inoperative”.  Those that in other segments are advancing.  Those that are in the segment just before and up to the Angle are even more advancing or “operative”.

Therefore, looking at Angelina Jolie’s chart, we judge Venus, Jupiter, and the Moon to be especially prominent or “loud” because they are conjunct Angles.  By contrast, we judge that the significations of Saturn and Mars are overall much quieter in the life because they are retreating.  The Sun and Mercury are advancing but not very strongly, so they are middling in terms of the volume or “loudness” of their significations in the life.


Rather than viewing advancement and retreat in a discrete way, where we chop things up into strong, middle, and weak, I tend to view it as a continuous matter of a planet being of very low volume after separating from an Angle and then volume gradually being turned up on it as it nears it.  Planets approaching an angle within about 15 degrees or actually conjunct an Angle I take to be especially loud, and tend to call “strongly advancing”.

It may take a beginner some time to get used to the significance of this technique because it doesn’t necessarily apply to the person’s specific personality or what they’re known for.  It is very possible for a retreating planet to have great significance over a person’s character or profession and likewise possible for a strongly advancing planet to have little relevance for these things.  The basic idea is simply one of general strength, where I think the metaphor of “volume” as on a stereo, comes in handy.  Because the volume of Venus and Jupiter are at full crank in Angelina Jolie’s chart, we imagine that the things those planets stand for are pervasive through the life, including the people, events, and things encountered in it.  It’s as if the life is being pumped full of Venus and Jupiter energy or those gods have taken a keen interest in it and are very actively at play there.

In Angelina’s case, Venus and the Moon are also very significant for the character and personality, but this is not because of the advancement, but due to other factors we’ll cover later.  The only thing that advancement tells us is that the significations are loud and likely to be quite broad.  The person is nearly constantly encountering things signified by that planet for better or worse.

Hellenistic Astrologers on Advancement

Advancement is a concept that tends to be ill-understood today but was discussed by many Hellenistic astrologers and explicitly addressed by many Persian ones.  Most of the Hellenistic astrologers bring up advancement in connection with the robustness of a significator of the native’s health in instructions for examining longevity and health threats.


Dorotheus does not discuss advancement much, but does have a few instances where he brings up a 15 degree rule, in which he attributes a planet approaching the Ascendant within 15 degrees as having equal power as a planet in the rising sign, even if the planet is not in the rising sign.  This rule is found Book I, Chapter 7, #7, as well as book III, Chapter 1, #23, of Carmen Astrologicum.  The rule also appeared in Porphyry in a section attributed to Antiochus.


Valens gives a good thorough exposition of advancement in Book III, Chapter 2 of the Anthology.  The chapter is dedicated to explaining the concept which for Valens defines the “operative”, “average”, and “inoperative” degrees (as opposed to operative and inoperative places which is another matter).  Valens finds the operative and inoperative degrees by dividing the distance into thirds by zodiacal degrees.  For instance, if there were 120 degrees between two angles, then each third would be 40 degrees in length.

Then it is necessary to take the distance in degrees from the Ascendant to the IC (moving in the order of the signs), to consider one-third of that total distance to be the “operative” degrees in the configuration of the angles, and to consider the stars in these degrees, whether benefics or malefics, to be powerful.  (Valens, Anthologies, Book III, Ch. 2, Riley trans., 2010, p. 59)

He instructs to make the same type of division between each of the angles. He describes the power of the thirds as follows.

So then, the first third from the Ascendant will be operative and powerful, the second third will be average, the third third will be crisis-producing and bad. The stars <in these regions> will act in the same way.  (Valens, Anthologies, Book III, Ch. 2, Riley trans., 2010, p. 59)

In the above quote he seems to imply that a planet becomes more malefic (i.e. “bad”) when retreating.  However, I think Valens is referring to it being bad when a major health significator is in such a position because it is weakened.  My experience is that retreating planets do not signify as prominently, but do not signify more malefic things, i.e. that it is a general strength consideration but not a goodness one.


Ptolemy also defined certain regions of power where a planet relevant to longevity matters was to be found.  In his discussion (Book III, Ch. 10) one of his regions is from 5 degrees above the Ascendant to the 25 degrees below it.  Thus the region of strength here appears to be the 25 degrees up to the angle, and the conjunction seems to extend 5 degrees.


Now let’s look at some example charts using a fluid sense of Advancement in which we are most interested in the one or two planets that are most prominent and least prominent in the life by the method.  The chart drawings I post will be from the Morinus program, but all the charts I will use are also available on Astro-Databank and I’ve provided the link. The charts from the Morinus program properly number the houses, so rather than using the numbered divisions as your guide, think visually in terms of proximity to the angle the planet is approaching.

Remember that here we are looking at one factor of general prominence in the life, which may be compared with “volume”.  Later we will look at other factors of general prominence and factors that signify personal prominence and even self-identification.


In Hitler’s chart Saturn (darkness, death, challenge), Mercury (rationality, writing, voice), and the Sun (leadership, power, confidence) are all very strongly advancing, while the Moon (deep significance, nurture, the irrational) and Jupiter (generosity, spirituality, loftiness) are retreating.

Adolf Hitler's Natal Chart
Adolf Hitler’s Natal Chart (Ctrl click to enlarge)

Kurt Cobain

In Kurt Cobain’s chart Mercury (rationality, writing, voice), Venus (beauty, creativity, love), and Saturn (darkness, death, challenge) are strongly advancing.  The Sun (leadership, power, confidence) is retreating.

Kurt Cobain's Natal Chart (Ctrl click to enlarge)
Kurt Cobain’s Natal Chart (Ctrl click to enlarge)

Billy Graham

In Billy Graham’s chart Jupiter (generosity, spirituality, loftiness) and possibly the Moon are advancing.  Mars (violence, physical work, aggression) is retreating.

Billy Graham's Natal Chart (Ctrl click to enlarge)
Billy Graham’s Natal Chart (Ctrl click to enlarge)


You’re probably wondering why I haven’t used the examples of Einstein, Bjork, James Randi, and Barack Obama after having focused on them in the last post.  There are two reasons.  First, I want you to look up their charts on Astro-Databank and evaluate advancing and retreating in their charts for yourself as an exercise.  Secondly, you will find that some planets that you thought would be strongly advancing are not so, and the same with ones that you thought might be retreating.  Advancement is just one piece of the puzzle.  Even just general strength involves additional factors which we’ll get to in subsequent lessons.  Additionally, a planet can be particularly prominent for a certain topic, such as the self or the professional development, without being prominent in a general sense.

Think of advancing planets as loud and tending to manifest their significations in broad ways that touch upon many areas of life.  Think of retreating ones as quieter, and more directed toward topics that they are particularly connected with in the chart.

Look at your own chart, and those of your friends, family, and favorite celebrities.  Perhaps make note of the planets you would expect to be advancing or retreating and then compare those notes with what you find.  As we proceed you’ll come to better understand the exceptions, where you met the unexpected.

Astrology of Profession or Calling | 1. Technique

Introduction: Actions

Special techniques for the delineation of one’s calling appear early in the Hellenistic tradition.  The Greek word used is “praxis”, which is often translated as actions, though I’ve also seen it translated what one does (e.g. Greenbaum’s translation of Paulus), and the reckoning of the descriptions for varieties of praxis in Greek texts are what we’d call a profession or a calling.


My own strategy for the delineation of the basic nature of one’s profession or calling is best broken down into multiple steps.  I largely follow the special technique developed by Ptolemy, Paulus Alexandrinus, and Rhetorius in my approach to the matter, with a particular emphasis on Paulus and Rhetorius, who actually used the Houses/Places of the chart.  I am far more concerned with accurate use in practice than historical reproductions, so you will find some minor deviations from Paulus and Rhetorius in my technique, much as you see minor differences in the technique as used by Ptolemy, Paulus, Rhetorius, and later Persian authors (let alone later European medieval authors, such as Bonatti, who deviate even further).  As mentioned, I think Paulus and Rhetorius were the best of the Hellenistic astrologers when it came to this technique.

Lords of Actions

For now, I’ll just deal with the most basic aspect of delineating profession, which pertains to identifying the planet or planets that most pertain to the nature of one’s calling. I urge astrologers not to think in terms of there being one and only one true and pure, very specified, calling for each individual human being.  Rather, planets signifying actions will give indications as to where people develop themselves in trying to achieve something or be more.  The 10th place of the chart is the one that pertains most to this reckoning, being the place that dominates the 1st place (i.e. it is in a right-side square to the place representative of the person themselves, like an authoritative influence).  The 1st place will also be very relevant because it pertains to the physical self and affects self-identification.  In addition, the Lights (Sun and Moon), the planets most representative of power, are quite important.

My first step is to identify planets with relevance to actions, second step is to find the strongest planets in the chart, while the third step is to delineate the nature of the profession or calling based on the strongest indications from Mars, Venus, and Mercury from the other two steps.  This is just to assess the basic nature of the profession or calling, according to what I recently saw astrologer Tom Callanan refer to as “brawn” (Mars), “aesthetics” (Venus), or “brains” (Mercury).  These labels for the three main categories are about as succinctly descriptive as you can get.  However, even these descriptions are not without some problems, particularly as concerns Mars.  Mars shows up strongly in the charts of politicians and other leaders.

Actually, all 7 planets are relevant to this matter, and in the exposition of Rhetorius (Holden, 2009, p. 134-145) he does look at all of them and give indications for all of them, but also stresses the importance of Mars, Venus, and Mercury.  It is helpful to think of the reckoning more in terms of skill-development than in terms of finding the category of profession or calling.  For instance, Mercury will show a developmental stress along intellectual lines, whether it is in academic, business, or mystical study, there will be intense mental development.  Venus will show development along aesthetic lines as well as that pertaining to women, attraction, and sexuality, so there is likely to be some sort of artistic discipline, such as playing an instrument or creating art.

Mars does not just show more physical activities, pertaining to things like athleticism, building trades, mechanical work, or dangerous work, but also tends to show development of competitive skills, such as those involved in leadership.  There are other techniques pertaining to eminence or “social-mobility”, so the significations will often depend on that, as very few of the typical Mars professions apply to those of high social standing, which are more likely to channel that development of brawn into political maneuvering and competitive strategy (for instance, nearly all popes have Mars connected with profession). Along this vein, Rhetorius does make a statement connecting the signs of Mars with “weapons or fire or iron or iron-working or public affairs” (Holden, 2009, p. 135).  Similarly, in the commentary on Paulus by Olympiadorus, he associated Mars as professional indicator with the typical building and metal-working type of trades when less authoritative, while with positions of command, especially military ones, like generals and professional soldiers, when more authoritative (Greenbaum, 2001, p. 124). When very malefic, however, Mars can show those who engage in criminal acts for a living.

Jupiter will tend to show development of a quest for truth.  Law may be indicated, but if Jupiter is more prominent then in my experiences there is more development along religious and spiritual lines.  For instance, there may be great study of religious texts and practices, and spiritual matters like divination or astrology.  In either case, there is a sense of a commitment towards the ideal which is being worked upon.

Saturn is associated with land, farmers, sailors, the soil, natural resources, the dead, misery and poverty, as well as discipline, control, and management.  I am not just adding management in there from my own experience, but Rhetorius also associates Saturn in connection with the 10th and actions (when stronger and more benefic) with public service and management (c.f. Greenbaum, 2001).

In my opinion, both the Sun and Moon in relation to profession show prominence, due to the association of the Lights with power.  The Sun is associated with things being more public or publicized, while the Moon is associated with things being more idiosyncratic/original/self-taught, humane, subjective, and/or group-oriented (counseling is something I often see strongly connected to the Moon).

Steps to Reckoning Actions

First, identify the planets with some pertinence to “actions”:

  1. MC: A planet strongly advancing towards the MC (see Advancing/Retreating below) will likely give stronger indications even than a planet in one of the above places, and even if it is not in one of the above places.  This is because the MC itself is the point of culmination, and as such is the point of loftiness.
  2. Places: The planet should be in one of the following places (which include all but the 12th, 9th, or 3rd), in the following order of relative importance:  10th (place of actions), 1st, 7th, or 4th, (i.e. the “stakes” of the 10th), 2nd or 6th (i.e. the trigon/triplicity of the 10th), 11th, 5th, 8th (i.e. succedent places).
  3. Rulership:A planet will be more relevant to the profession if it has some dignity at the 10th place or the Ascendant, but especially the 10th.  If the planet does not have any dignity at either place, consider it much less important.   The domicile ruler of either, and/or a planet with some minor rulership in both places (especially if the term ruler of the Ascendant) is preferred.
  4. Phasis and the Lights: This is reiterated below with strength, but there is a special relevance to actions when a planet is in phasis (particularly, if moving out from the beams rather than in towards them), as well as if the planet is the ruler of the bound of the sect light (and to a lesser extent the other light).  Orientality/occidentality considerations, particularly relative to the Sun, also often show up in the literature, although I don’t stress them here, as I haven’t yet found them to be consistently strong indicators in this matter.

Secondly, identify the planets that are strongest in a general way in the chart, as they push their natural significations onto the life in a strong way:

  1. Advancing/Retreating: Look at the Ascendant, Descendant, MC, and IC. If a planet is more than 1/3 of the distance from one to the next it is “advancing” and strengthened, while if not it is “retreating” and weakened.  The closer the planet gets in its approach to the angle (Asc, MC, Dsc, or IC), the stronger it is in a general way, as if the volume is being turned up on the planet.  By contrast, when a planet passes the angle it is as if the volume quickly turns down on the planet.  A planet that is approaching the angle within about 15 degrees is particularly strong, and should be considered “strongly advancing”.  If a planet is conjunct an angle within about 5 degrees (even if separating, I use about 10 degrees for considering a Light to be conjunct an angle) then that is also extremely strong.  Remember that the planets move clockwise in this regard, rising in the east and setting in the west (i.e. this movement is contrary to the movement through the zodiac, so for instance a planet ten degrees clockwise of the MC would be retreating and weakened, while one ten degrees counter-clockwise of the MC would be strongly advancing).  These points represent where a planet lines up with your specific location, as in your local horizon and meridian.  It is a great metaphor because it really is as if the planet advances towards your world then retreats away from it.
  2. Relationships to Lights: The following relationships to the Sun or Moon will make the planet more relevant to profession: the planet the Moon is separating from or applying to, a planet in phasis, and to a much lesser extent a planet regarded by a Light (more so by trine or sextile, and/or if from the sect light, and/or if closer to exact).   There are other relationships to the lights that are sometimes looked at but I think these are most important.  It is rare, but if a planet is cazimi the Sun it may be extremely strengthened.  By contrast, a planet within 8 degrees of the Sun at birth, which is not in phasis, is likely to be quite weakened.
  3. Stationing: Look 7 days before the birth and 7 days after to check for planetary stations.  This is very important.  A planet stationing direct within about 7 days of the birth will be extremely strengthened.  The closer the station is to the time of birth, the more powerful.  By contrast, a planet that is stationing retrograde is quite weakened, particularly if the station occurs closer to the birth.

Finally, of Mars, Venus, and Mercury combine their relative pertinence to profession from the first step with their relative overall strength or prominence from the second step, and you will find that one planet tends to draw development towards itself more than the others, while the others may or may not also show skill diversity in skill development or other desired callings if they are very pertinent to actions (such as in the actual 10th) or very strong with some pertinence to actions (such as a very strong ruler of the 10th or 1st).  As noted above, the other planets influence profession as well.  In any case, stress should be placed on Mars, Venus, and Mercury – significators of actions because they are swift moving and active.


While this type of special technique shows up very often in Hellenistic and Persian astrology, there were also a large number of special, career-specific indicators.  Maternus, Rhetorius, and many other authors give indications specific to many professions, that are aside from this method.  I find this technique more reliable then most of the more specific indicators given, but still this technique is just a start.

In a sense, what this special technique is attempting to do is to connect together significations of general planetary strength, with significations of strength in relation to actions and achievement (10th/Lights), as well as the self (1st). If you understand the importance of these three matters and how to look at them, then you get the heart of the technique and need not stick to it in a mechanical fashion.  I lay things out in such a fashion to set the rules which I’ll have to stick to with consistency, as I analyze charts in future posts of the series and compare the accuracy of the method with other popular methods often advocated by both traditional and modern astrologers.



Alexandrinus, P., & Olympiodorus. (2001). Late Classical Astrology: Paulus Alexandrinus and Olypiodorus. (D. G. Greenbaum, Trans.). Reston, VA: Arhat.
Rhetorius of Egypt, & Teucer of Babylon. (2009). Rhetorius the Egyptian. (J. H. Holden, Trans.). Tempe, AZ: American Federation of Astrologers.

Steve Jobs and Mercury | Strength in Ancient Astrology

According to Astro-Databank, it is stated on his birth certificate that Steve Jobs was born on Feb. 24, 1955 at 7:15pm in San Francisco, California.

Steve Jobs' Natal Chart
Steve Jobs’ Natal Chart – CTRL click to enlarge

This chart poses a dilemma for traditional astrologers, in that Mercury is in a weak place, the 6th sign from the Ascendant, and appears to be retrograde. This man was a thinker, a technologist.  To claim that Mercury was weak or not a pervasive influence in this man’s life would be preposterous. Mercury is the primary planet of technology, commerce, and communications, all things central to his life story.  It does not play a minor role.

This is a good time to introduce two major conditions that make a planet quite strong from Hellenistic astrology, which are easily missed and mistaken for mild weakening conditions.

Stationing Direct

While Mercury appears to be retrograde, and therefore some may regard it as somewhat weakened, the truth is that the Rx here is deceiving.  Mercury is stationing direct, which is considered one of the major factors that strengthens a planet.  Being retrograde is actually not a substantial impediment to a planet, but stationing retrograde, that is turning retrograde within about a week of birth, does weaken the planet’s influence, especially the more proximal it is to the time of birth.  By contrast, stationing direct (within about a week of birth) is extremely fortifying to the planet and makes its effects stronger, more pervasive, more widespread in the life, especially if very close to the birth time.

In the case of the chart of Steve Jobs, Mercury stations within 24 hours of birth, so this is a very strong direct station.

Making an Appearance: Phasis

Another fortifying condition in Hellenistic astrology is making an appearance, or being in phasis.  A planet is in phasis when it is passing into or out of the Sun’s beams (with more strength when passing out of them).  The Sun’s beams are standardized to 15 degrees for this condition, and it should occur within about 7 days of birth – the closer in time, the more powerful the effect.  This again marks out a planet as more significant and of more pervasive influence.  A planet going into the beams is making its last appearance before it disappears for some time, while one coming out from the beams is making a first appearance after being shrouded under the beams for a time.  Unfortunately, when a planet is under the beams at birth, this condition is confused for the mildly weakening situation of being under the beams.  Like with stationing direct, the mildly weakening situation really does not apply if the planet is in phasis.

Jobs was born with Mercury at 14 Aquarius and the Sun at 5 Pisces.  They are about 21 degrees from each other, though Mercury has no apparent motion as it is stationing.  Five days earlier, on Feb. 19, 1955, Mercury was at 16 Aquarius and the Sun at 0 Pisces, so they were 14 degree apart, with Mercury under the beams, passing out of them to make its first appearance.  Therefore, Mercury is in phasis in his chart, making its first appearance about 4-5 days before his birth.

Ruling the First Place

There is an additional important strength consideration that should be mentioned in this chart.  The planet ruling the 1st will have some special topical signification over the person themselves, their preferences, and their personality.  With Virgo rising we must acknowledge that Mercury has three powerful conditions making it significant, that it’s stationing direct, in phasis, and rules the 1st (additionally, it is the 1st triplicity ruler of the sign it is in).

Advancing and Retreating

While it was customary to use the place/house position (which ordinal sign a planet is located in as counted from the rising sign which is the 1st place) as a factor in strength consideration in Hellenistic astrology, I prefer the later Persian use of Advancing and Retreating (see Abu Ma’Shar and al-Qabisi) for this type of strength consideration, while using place more for topics and consideration of pleasantness/unpleasantness of effect.

To find whether a planet is advancing or retreating you take the distance between the horizon and the meridian on either side of the planet (the big bold lines going up, down, left, and right, also known as the “angles” of the chart) and you divide them by three.  If a planet is less than one-third the distance from one to the next one (moving clockwise), but not very close to an angle (i.e. not within a few degrees, more might be allowed for luminaries), then it is retreating, a strong weakening condition.  If the planet is more than one-third of the way to that next “angle” then it is advancing, and is strengthened.  If it is very close to an angle or approaching an angle within about 15 or 20 degrees, then I would consider such a planet to be strongly advancing, i.e. very strengthened.

Advancing/Retreating makes sense to me conceptually, because it is as if the volume is being turned up on a planet is it is lining up with the horizon or meridian of a specific locale on Earth, and quickly turning down as it “retreats” from that location.  It is truly a continuum, with a planet getting stronger (or louder, if you will) as it advances closer to the angle. I consider it to be the single easiest to spot strength consideration in a chart, and also the single most significant one.

In Steve’s chart, Mercury has already set, passing the Descendant at 22 Pisces and approaching the IC at 21 Sagittarius.  The distance between the two is 91 degrees, but we’ll round off to 90, as precision is not important in this.  If Mercury has passed one-third of this, or 30 degrees, from the Descendant at 22 Pisces, then it won’t be considered retreating.  Mercury is at 14 Aquarius, which is 38 degrees from 22 Pisces, so it is considered Advancing, albeit just barely.


A careful look at Steve Jobs chart reveals that Mercury is probably the strongest, most pervasive, planet in the chart.  While the Moon is strongly advancing, and Jupiter, Mars, and Venus are all three advancing more strongly than Mercury, Mercury is not only advancing but also stationing direct, in phasis, and the ruler of the 1st, while possessing only very minor weakening conditions.

Take a look at your own chart and the charts of others that you know, including celebrities.  Experiment by weighting advancing/retreating, direct/retrograde stations, phasis, and rulership of the 1st.  Personally, I rank them in the order given in the previous sentence, and consider all of them, particularly the first three, as giving powerful general indications regarding the pervasiveness of a planet’s influence.

Remember, a strong planet will express more of its nature in more places.  It will not be restricted to the topic of its place, or those places it rules, but will spill out its indications and natural significations whereever and whenever it can.