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Astrology · Reference · Ephemeris

Daily ephemeris — September 2023

Planet positions for every day of the month, sampled at noon UT. Computed live from VSOP87D + ELP2000 ephemerides. Navigate any month forward or back; data is consistent with the free Birth Chart and Sky Map tools.

Day☉ Sun☽ Moon☿ Mer♀ Ven♂ Mar♃ Jup♄ Sat♅ Ura♆ Nep♇ Plu
1 8Vi29Pi18Vi℞12Le℞ 3Li15Ta 3Pi℞23Ta℞26Pi℞28Cp℞
2 9Vi13Ar17Vi℞12Le℞ 3Li15Ta 3Pi℞23Ta℞26Pi℞28Cp℞
310Vi28Ar16Vi℞12Le℞ 4Li15Ta 3Pi℞23Ta℞26Pi℞28Cp℞
411Vi12Ta15Vi℞12Le 5Li15Ta 3Pi℞23Ta℞26Pi℞28Cp℞
512Vi25Ta14Vi℞12Le 5Li15Ta℞ 3Pi℞23Ta℞26Pi℞28Cp℞
613Vi 8Ge13Vi℞12Le 6Li15Ta℞ 3Pi℞23Ta℞26Pi℞28Cp℞
714Vi21Ge12Vi℞12Le 7Li15Ta℞ 2Pi℞23Ta℞26Pi℞28Cp℞
815Vi 3Cn11Vi℞12Le 7Li15Ta℞ 2Pi℞23Ta℞26Pi℞28Cp℞
916Vi15Cn10Vi℞12Le 8Li15Ta℞ 2Pi℞23Ta℞26Pi℞28Cp℞
1017Vi27Cn10Vi℞12Le 9Li15Ta℞ 2Pi℞23Ta℞26Pi℞28Cp℞
1118Vi 9Le 9Vi℞13Le 9Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1219Vi21Le 8Vi℞13Le10Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1320Vi 3Vi 8Vi℞13Le10Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1421Vi15Vi 8Vi℞14Le11Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1522Vi27Vi 8Vi℞14Le12Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1623Vi 9Li 8Vi14Le12Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1724Vi21Li 8Vi15Le13Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1825Vi 3Sc 8Vi15Le14Li15Ta℞ 2Pi℞22Ta℞26Pi℞28Cp℞
1926Vi16Sc 9Vi16Le14Li15Ta℞ 2Pi℞22Ta℞26Pi℞27Cp℞
2027Vi28Sc 9Vi16Le15Li15Ta℞ 2Pi℞22Ta℞26Pi℞27Cp℞
2128Vi11Sg10Vi17Le16Li15Ta℞ 2Pi℞22Ta℞26Pi℞27Cp℞
2229Vi25Sg11Vi17Le16Li15Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
23 0Li 9Cp12Vi18Le17Li14Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
24 1Li23Cp13Vi19Le18Li14Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
25 2Li 7Aq14Vi19Le18Li14Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
26 3Li22Aq16Vi20Le19Li14Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
27 4Li 7Pi17Vi21Le20Li14Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
28 5Li22Pi19Vi21Le20Li14Ta℞ 1Pi℞22Ta℞26Pi℞27Cp℞
29 6Li 7Ar20Vi22Le21Li14Ta℞ 1Pi℞22Ta℞25Pi℞27Cp℞
30 7Li21Ar22Vi23Le22Li14Ta℞ 1Pi℞22Ta℞25Pi℞27Cp℞

Reading the table

  • Format: degree + sign abbreviation. 15Le = 15° Leo.
  • ℞ = retrograde — the planet appears to move backwards through the zodiac that day.
  • highlighted = station day, the moment a planet stops and reverses direction (or vice versa). The most-watched single days in any month.

Common questions

About the ephemeris

What is an ephemeris?

A table of planetary positions over time. The classical paper ephemeris (Raphael's, Rosicrucian, Swiss Ephemeris) lists each planet's longitude on each day of the year — the working tool astrologers use to plan elections, time transits, and check past or future configurations. This page reproduces that data live from arcsecond-grade ephemerides.

Why noon UT?

The classical convention. The slow planets (Jupiter through Pluto) barely move in 12 hours, so noon-sampling captures their position for the whole day with negligible error. The Moon moves ~6.5° in 12 hours (about a quarter of a sign), so the Moon column is most accurate at noon UT specifically — for an exact Moon position at any moment in your local time, use the Sky Map tool.

How do I read each cell?

Each cell shows the planet's degree-in-sign and the sign abbreviation. "15Le" = 15° Leo. The ℞ marker means retrograde — the planet appears to move backwards through the zodiac on that day. Sign-changes (ingresses) appear as a transition between two adjacent cells; the exact ingress moment is in our Sky Now or Lunar Calendar pages.

Why are some cells highlighted?

We highlight the day each planet first appears retrograde or first turns direct in the displayed month — the stations. These are the most-watched days in any month: a planet's station is when it's stopped relative to the stars, and astrologers read the station as a focused activation of the planet's themes for the week or two surrounding it.

How accurate is this?

Arcsecond. We use VSOP87D for the planets and a truncated ELP2000 lunar model with deltaT correction. Same engine that computes the free Birth Chart, Sky Map, and Transit Forecast. Time-zone is UT (universal time); convert to your local time-zone if you need a same-day local read.

Can I use this to plan elections?

Yes — the daily ephemeris is the working table for Hellenistic and modern Western election work. Pair with the Muhurta tool (Vedic auspicious-time scoring), the Choghadiya page (Vedic time windows), and the Lunar Calendar (Moon phases + sign-ingresses) for a full election workflow.

Computation

Each cell is a live engine call cached for 24 hours: VSOP87D for Mercury–Neptune, an in-house DOPRI8 8(7) integrator for Pluto, and a truncated ELP2000 lunar model with deltaT correction for the Moon. Sub-arcsecond accurate. Sampled at 12:00 UT. Retrograde flags come from the engine’s direction-of-motion check, not a calendar approximation; station days are detected from adjacent-day flag flips.