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Astrology · Reference · Ephemeris

Daily ephemeris — September 2031

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 8Vi10Pi21Le10Le℞ 4Sg19Sg21Ge26Ge15Ar℞11Aq℞
2 9Vi24Pi22Le10Le 4Sg19Sg22Ge26Ge15Ar℞11Aq℞
310Vi 9Ar23Le10Le 5Sg19Sg22Ge26Ge15Ar℞11Aq℞
411Vi22Ar25Le10Le 6Sg19Sg22Ge26Ge15Ar℞11Aq℞
512Vi 6Ta26Le10Le 6Sg19Sg22Ge26Ge15Ar℞11Aq℞
613Vi19Ta28Le10Le 7Sg19Sg22Ge26Ge15Ar℞11Aq℞
714Vi 1Ge 0Vi10Le 7Sg19Sg22Ge26Ge14Ar℞11Aq℞
815Vi13Ge 1Vi10Le 8Sg19Sg22Ge26Ge14Ar℞11Aq℞
916Vi25Ge 3Vi11Le 9Sg20Sg22Ge27Ge14Ar℞11Aq℞
1017Vi 7Cn 5Vi11Le 9Sg20Sg22Ge27Ge14Ar℞11Aq℞
1118Vi19Cn 7Vi11Le10Sg20Sg22Ge27Ge14Ar℞11Aq℞
1219Vi 1Le 9Vi12Le11Sg20Sg22Ge27Ge14Ar℞11Aq℞
1320Vi13Le11Vi12Le11Sg20Sg22Ge27Ge14Ar℞11Aq℞
1421Vi25Le12Vi12Le12Sg20Sg22Ge27Ge14Ar℞11Aq℞
1522Vi 7Vi14Vi13Le13Sg20Sg22Ge27Ge14Ar℞11Aq℞
1623Vi20Vi16Vi13Le13Sg20Sg22Ge27Ge14Ar℞11Aq℞
1724Vi 2Li18Vi14Le14Sg20Sg22Ge27Ge14Ar℞11Aq℞
1825Vi15Li20Vi14Le14Sg20Sg22Ge27Ge14Ar℞11Aq℞
1926Vi28Li22Vi15Le15Sg20Sg22Ge27Ge14Ar℞11Aq℞
2027Vi12Sc24Vi15Le16Sg21Sg22Ge27Ge14Ar℞11Aq℞
2128Vi25Sc26Vi16Le16Sg21Sg22Ge27Ge14Ar℞11Aq℞
2229Vi 9Sg27Vi17Le17Sg21Sg22Ge27Ge14Ar℞11Aq℞
23 0Li23Sg29Vi17Le18Sg21Sg22Ge27Ge14Ar℞11Aq℞
24 1Li 7Cp 1Li18Le18Sg21Sg22Ge27Ge14Ar℞11Aq℞
25 2Li21Cp 3Li19Le19Sg21Sg22Ge27Ge14Ar℞11Aq℞
26 3Li 5Aq 5Li19Le20Sg21Sg22Ge27Ge14Ar℞11Aq℞
27 4Li20Aq 6Li20Le20Sg21Sg22Ge27Ge14Ar℞11Aq℞
28 5Li 4Pi 8Li21Le21Sg21Sg22Ge27Ge14Ar℞11Aq℞
29 6Li19Pi10Li21Le22Sg22Sg22Ge27Ge14Ar℞11Aq℞
30 7Li 3Ar12Li22Le23Sg22Sg23Ge27Ge14Ar℞11Aq℞

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.