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Calculated planetary weather · noon UTC

The month has a shape. See it before it arrives.

A living map of exact-aspect samples, Moon changes, sign ingresses, and retrograde stations—calculated from the sky, then translated into plain English.

The period in one answer

From September 1 through September 30, 2027, the Moon moves from Virgo to Libra. The highest-priority calendar marker is Uranus stations retrograde on September 15. Each day is computed at noon UTC from geocentric tropical longitudes, and the notes beside them describe the symbolic theme of that geometry.

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Moon in Virgo 1% lit 3 retrograde
Transit intensity Relative signal, not a good/bad score

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The sky, day by day

A month you can scan in one glance.

Intensity shows how concentrated the measured sky is—not whether a day is lucky or difficult. Open a date for every planetary degree behind the summary.

Thu 2

100 · Peak

Libra Moon

Sun square Uranus

Closest daily sample · 0°04' orb

☉ □ ♅ ♂ ☽ △ ♇
Thu 9

100 · Peak

Capricorn Moon

Moon square Neptune

Closest daily sample · 0°10' orb

☽ □ ♆ ♂ □ ♇ ☽ ⚹ ♂
Peak Active Steady Quiet

Intensity combines closeness, the number of active aspects, and major calendar markers. It never means “good” or “bad.”

Dates worth circling

The turning points, with the math attached.

These cards are ordered by measured weight, not dramatic wording. Each one states the date, geometry, orb or detection rule, and what the symbol can—and cannot—tell you.

Sep 15 Wed

01 · Direction change · detected from longitude

Uranus stations retrograde

A station marks the change in apparent direction seen from Earth. The planet does not reverse in space; the apparent reversal comes from relative orbital motion.

Verifiable lineUranus changes to apparent retrograde motion in the daily samples on September 15, 2027.

See this day
96 signal
Sep 16 Thu

02 · 100% illuminated · noon UTC

Full Moon in Pisces

The Moon reaches the brightest daily sample of the lunation, opposite the Sun in ecliptic longitude.

Verifiable lineThe Full Moon falls in Pisces on September 16, 2027, with 100 percent illumination at the noon UTC sample.

See this day
92 signal
Sep 30 Thu

03 · 0% illuminated · noon UTC

New Moon in Libra

The Moon reaches the darkest daily sample of the lunation, aligned with the Sun in ecliptic longitude.

Verifiable lineThe New Moon falls in Libra on September 30, 2027, with 0 percent illumination at the noon UTC sample.

See this day
92 signal
Sep 23 Thu

04 · Sign ingress · noon UTC sample

Sun enters Libra

Sun has crossed a thirty-degree zodiac boundary, beginning a new sign chapter in the public sky.

Verifiable lineBy the noon UTC sample on September 23, 2027, Sun is in Libra; the sign boundary was crossed after the preceding day’s noon sample.

See this day
88 signal
Sep 10 Fri

05 · Closest daily sample · 0°00' orb

Jupiter square Uranus

The ninety-degree geometry emphasizes friction, adjustment and the need to direct effort deliberately.

Verifiable lineAt noon UTC on September 10, 2027, Jupiter square Uranus measures 0°00' from exact in geocentric tropical longitude.

See this day
84 signal
Sep 23 Thu

06 · Closest daily sample · 0°01' orb

Mercury opposition Saturn

Two planetary functions face one another across the chart, making contrast and competing priorities easier to see.

Verifiable lineAt noon UTC on September 23, 2027, Mercury opposition Saturn measures 0°01' from exact in geocentric tropical longitude.

See this day
84 signal
Sep 2 Thu

07 · Closest daily sample · 0°04' orb

Sun square Uranus

The ninety-degree geometry emphasizes friction, adjustment and the need to direct effort deliberately.

Verifiable lineAt noon UTC on September 2, 2027, Sun square Uranus measures 0°04' from exact in geocentric tropical longitude.

See this day
83 signal
Sep 9 Thu

08 · Closest daily sample · 0°10' orb

Moon square Neptune

The ninety-degree geometry emphasizes friction, adjustment and the need to direct effort deliberately.

Verifiable lineAt noon UTC on September 9, 2027, Moon square Neptune measures 0°10' from exact in geocentric tropical longitude.

See this day
83 signal
Sep 9 Thu

09 · Closest daily sample · 0°10' orb

Mars square Pluto

The ninety-degree geometry emphasizes friction, adjustment and the need to direct effort deliberately.

Verifiable lineAt noon UTC on September 9, 2027, Mars square Pluto measures 0°10' from exact in geocentric tropical longitude.

See this day
83 signal
Sep 18 Sat

10 · Closest daily sample · 0°04' orb

Venus opposition Neptune

Two planetary functions face one another across the chart, making contrast and competing priorities easier to see.

Verifiable lineAt noon UTC on September 18, 2027, Venus opposition Neptune measures 0°04' from exact in geocentric tropical longitude.

See this day
83 signal
Sep 28 Tue

11 · Closest daily sample · 0°05' orb

Sun opposition Neptune

Two planetary functions face one another across the chart, making contrast and competing priorities easier to see.

Verifiable lineAt noon UTC on September 28, 2027, Sun opposition Neptune measures 0°05' from exact in geocentric tropical longitude.

See this day
83 signal
Sep 7 Tue

12 · Closest daily sample · 0°16' orb

Mercury opposition Neptune

Two planetary functions face one another across the chart, making contrast and competing priorities easier to see.

Verifiable lineAt noon UTC on September 7, 2027, Mercury opposition Neptune measures 0°16' from exact in geocentric tropical longitude.

See this day
82 signal
Sep 8 Wed

13 · Closest daily sample · 0°41' orb

Moon square Venus

The ninety-degree geometry emphasizes friction, adjustment and the need to direct effort deliberately.

Verifiable lineAt noon UTC on September 8, 2027, Moon square Venus measures 0°41' from exact in geocentric tropical longitude.

See this day
79 signal
Sep 28 Tue

14 · Closest daily sample · 0°35' orb

Moon conjunction Jupiter

The two planetary functions occupy nearly the same degree, concentrating their themes rather than balancing them.

Verifiable lineAt noon UTC on September 28, 2027, Moon conjunction Jupiter measures 0°35' from exact in geocentric tropical longitude.

See this day
79 signal
Sep 4 Sat

15 · Closest daily sample · 0°50' orb

Moon conjunction Mars

The two planetary functions occupy nearly the same degree, concentrating their themes rather than balancing them.

Verifiable lineAt noon UTC on September 4, 2027, Moon conjunction Mars measures 0°50' from exact in geocentric tropical longitude.

See this day
77 signal
Sep 23 Thu

16 · Closest daily sample · 0°53' orb

Sun square Moon

The ninety-degree geometry emphasizes friction, adjustment and the need to direct effort deliberately.

Verifiable lineAt noon UTC on September 23, 2027, Sun square Moon measures 0°53' from exact in geocentric tropical longitude.

See this day
77 signal

The three strongest days

Plan attention, not fear.

A high signal means more geometry is concentrated around one date. It can be easy or demanding. The useful response is extra attention—not canceling a meeting because a planet made a square.

  1. 1
    Thursday, September 2

    Sun square Uranus

    100
  2. 2
    Tuesday, September 7

    Mercury opposition Neptune

    100
  3. 3
    Thursday, September 9

    Moon square Neptune

    100
Editorial review byMyMysticDay Editorial TeamEditorial standards reviewer

Built to be checked

A forecast with its working left in.

01

Measure

Every day starts with geocentric tropical planetary longitudes calculated at 12:00 UTC.

02

Compare

Adjacent days expose ingresses, apparent stations, lunar peaks, and the closest daily aspect sample.

03

Rank

Closeness and event type determine emphasis. Dramatic language does not change the score.

04

Interpret

Astronomy is labeled as calculation; symbolic meaning is labeled as reflection, never certainty.

Read the complete calculation model, source series, tolerances, and limitations on How we calculate. Inspect the raw positions for any date in Today’s sky.

The public sky is only half the map

Find out which of these dates are actually yours.

Add your birth minute and place once. The private overlay replaces general planetary weather with exact contacts to your Sun, Moon, Venus, Mars, and the rest of your chart.

Build my private calendar Draw a free birth chart

Clear answers

Frequently asked questions

What are the major astrology transits in September 2027?
The monthly calendar ranks the exact-aspect samples, planetary sign changes, apparent retrograde stations, and New or Full Moon markers calculated for September 2027. The dated event cards above are the current answer; they are generated from the planetary positions rather than copied from a general forecast.
What is an astrology transit calendar?
An astrology transit calendar places changing planetary positions on a timeline. The public calendar shows transits in the sky that are shared by everyone. The private overlay adds a second comparison: each moving planet is measured against the exact planetary degrees in one birth chart.
How are the dates in this transit calendar calculated?
MyMysticDay calculates geocentric tropical longitudes on its own server and samples the sky at noon UTC each day. It compares adjacent daily samples to identify sign changes, apparent direction changes, lunar illumination peaks, and the date on which an aspect is closest to exact. The displayed date is a daily planning marker, not a claim that every event perfects at noon.
What does “orb” mean in the calendar?
Orb is the angular distance between a measured aspect and mathematical exactness. An orb of 0°20′ is twenty arcminutes from exact and is closer than an orb of 1°10′. The calendar prints the measured orb so readers can distinguish a tight contact from a broad background influence.
Why can a personal transit forecast differ from a zodiac horoscope?
A zodiac horoscope usually starts with one shared sun-sign category. A personal transit forecast compares the current sky with the degrees of your Sun, Moon, Mercury, Venus, Mars, and the rest of your natal chart. Two people with the same sun sign can therefore have different close contacts and different peak dates.
Are personal transit calendars public or indexed by search engines?
No. Public weekly and monthly sky calendars are indexable because they contain no birth data and are identical for every reader. A personal calendar is served with noindex and no-store instructions, uses a canonical link to the private entry page, and does not place a birth date, birth time, or birthplace in its URL.
Does a transit predict that a specific event will happen?
No. The astronomical position and angular separation are calculations; the meaning attached to them is a symbolic framework for reflection. A transit cannot guarantee an event, reveal another person’s thoughts, or replace qualified medical, legal, financial, safety, or mental-health advice.

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