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Astrology · Reference · Ephemeris

Daily ephemeris — September 2018

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 9Vi18Ta22Le23Li28Cp17Sc 2Cp℞ 2Ta℞15Pi℞18Cp℞
2 9Vi 2Ge23Le24Li28Cp17Sc 2Cp℞ 2Ta℞15Pi℞18Cp℞
310Vi15Ge25Le25Li28Cp17Sc 2Cp℞ 2Ta℞15Pi℞18Cp℞
411Vi29Ge27Le26Li29Cp17Sc 2Cp℞ 2Ta℞15Pi℞18Cp℞
512Vi14Cn28Le27Li29Cp17Sc 2Cp℞ 2Ta℞15Pi℞18Cp℞
613Vi28Cn 0Vi27Li29Cp17Sc 2Cp 2Ta℞15Pi℞18Cp℞
714Vi13Le 2Vi28Li29Cp18Sc 2Cp 2Ta℞15Pi℞18Cp℞
815Vi28Le 4Vi29Li29Cp18Sc 2Cp 2Ta℞15Pi℞18Cp℞
916Vi13Vi 6Vi 0Sc29Cp18Sc 2Cp 2Ta℞15Pi℞18Cp℞
1017Vi27Vi 8Vi 0Sc29Cp18Sc 2Cp 2Ta℞15Pi℞18Cp℞
1118Vi12Li10Vi 1Sc 0Aq18Sc 2Cp 2Ta℞14Pi℞18Cp℞
1219Vi26Li11Vi 2Sc 0Aq18Sc 2Cp 2Ta℞14Pi℞18Cp℞
1320Vi10Sc13Vi 2Sc 0Aq19Sc 2Cp 2Ta℞14Pi℞18Cp℞
1421Vi23Sc15Vi 3Sc 0Aq19Sc 2Cp 2Ta℞14Pi℞18Cp℞
1522Vi 5Sg17Vi 4Sc 0Aq19Sc 2Cp 1Ta℞14Pi℞18Cp℞
1623Vi18Sg19Vi 4Sc 1Aq19Sc 2Cp 1Ta℞14Pi℞18Cp℞
1724Vi 0Cp21Vi 5Sc 1Aq19Sc 2Cp 1Ta℞14Pi℞18Cp℞
1825Vi12Cp23Vi 5Sc 1Aq19Sc 2Cp 1Ta℞14Pi℞18Cp℞
1926Vi24Cp25Vi 6Sc 2Aq20Sc 2Cp 1Ta℞14Pi℞18Cp℞
2027Vi 5Aq26Vi 6Sc 2Aq20Sc 2Cp 1Ta℞14Pi℞18Cp℞
2128Vi17Aq28Vi 7Sc 2Aq20Sc 2Cp 1Ta℞14Pi℞18Cp℞
2229Vi29Aq 0Li 7Sc 2Aq20Sc 2Cp 1Ta℞14Pi℞18Cp℞
23 0Li11Pi 2Li 8Sc 3Aq20Sc 2Cp 1Ta℞14Pi℞18Cp℞
24 1Li24Pi 4Li 8Sc 3Aq20Sc 2Cp 1Ta℞14Pi℞18Cp℞
25 2Li 6Ar 5Li 8Sc 3Aq21Sc 2Cp 1Ta℞14Pi℞18Cp℞
26 3Li19Ar 7Li 9Sc 4Aq21Sc 2Cp 1Ta℞14Pi℞18Cp℞
27 4Li 2Ta 9Li 9Sc 4Aq21Sc 2Cp 1Ta℞14Pi℞18Cp℞
28 5Li15Ta11Li 9Sc 4Aq21Sc 2Cp 1Ta℞14Pi℞18Cp℞
29 6Li29Ta12Li10Sc 5Aq21Sc 2Cp 1Ta℞14Pi℞18Cp℞
30 7Li12Ge14Li10Sc 5Aq21Sc 3Cp 1Ta℞14Pi℞18Cp℞

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.