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Astrology · Reference · Ephemeris

Daily ephemeris — December 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 9Sg27Cn29Sg26Li 5Sg 7Ta℞ 1Pi20Ta℞24Pi℞28Cp
210Sg10Le 1Cp27Li 5Sg 6Ta℞ 1Pi20Ta℞24Pi℞28Cp
311Sg22Le 2Cp28Li 6Sg 6Ta℞ 1Pi20Ta℞24Pi℞28Cp
412Sg 4Vi 3Cp29Li 7Sg 6Ta℞ 1Pi20Ta℞24Pi℞28Cp
513Sg15Vi 4Cp 0Sc 7Sg 6Ta℞ 1Pi20Ta℞24Pi℞28Cp
614Sg27Vi 5Cp 2Sc 8Sg 6Ta℞ 1Pi20Ta℞24Pi28Cp
715Sg 9Li 5Cp 3Sc 9Sg 6Ta℞ 1Pi20Ta℞24Pi28Cp
816Sg21Li 6Cp 4Sc10Sg 6Ta℞ 1Pi20Ta℞24Pi28Cp
917Sg 4Sc 7Cp 5Sc10Sg 6Ta℞ 1Pi20Ta℞24Pi28Cp
1018Sg17Sc 7Cp 6Sc11Sg 6Ta℞ 1Pi20Ta℞24Pi28Cp
1119Sg 0Sg 8Cp 7Sc12Sg 6Ta℞ 1Pi19Ta℞24Pi28Cp
1220Sg14Sg 8Cp 9Sc13Sg 6Ta℞ 1Pi19Ta℞24Pi28Cp
1321Sg27Sg 8Cp℞10Sc13Sg 6Ta℞ 1Pi19Ta℞24Pi28Cp
1422Sg12Cp 8Cp℞11Sc14Sg 6Ta℞ 1Pi19Ta℞24Pi28Cp
1523Sg26Cp 8Cp℞12Sc15Sg 5Ta℞ 1Pi19Ta℞24Pi28Cp
1624Sg10Aq 7Cp℞13Sc15Sg 5Ta℞ 2Pi19Ta℞24Pi28Cp
1725Sg25Aq 6Cp℞15Sc16Sg 5Ta℞ 2Pi19Ta℞24Pi28Cp
1826Sg 9Pi 5Cp℞16Sc17Sg 5Ta℞ 2Pi19Ta℞24Pi28Cp
1927Sg23Pi 4Cp℞17Sc18Sg 5Ta℞ 2Pi19Ta℞24Pi28Cp
2028Sg 7Ar 3Cp℞18Sc18Sg 5Ta℞ 2Pi19Ta℞24Pi29Cp
2129Sg21Ar 2Cp℞19Sc19Sg 5Ta℞ 2Pi19Ta℞24Pi29Cp
22 0Cp 5Ta 1Cp℞21Sc20Sg 5Ta℞ 2Pi19Ta℞24Pi29Cp
23 1Cp18Ta29Sg℞22Sc21Sg 5Ta℞ 2Pi19Ta℞24Pi29Cp
24 2Cp 2Ge28Sg℞23Sc21Sg 5Ta℞ 2Pi19Ta℞24Pi29Cp
25 3Cp15Ge27Sg℞24Sc22Sg 5Ta℞ 2Pi19Ta℞24Pi29Cp
26 4Cp28Ge25Sg℞25Sc23Sg 5Ta℞ 2Pi19Ta℞25Pi29Cp
27 5Cp11Cn24Sg℞27Sc23Sg 5Ta℞ 2Pi19Ta℞25Pi29Cp
28 6Cp23Cn23Sg℞28Sc24Sg 5Ta℞ 2Pi19Ta℞25Pi29Cp
29 7Cp 5Le23Sg℞29Sc25Sg 5Ta℞ 3Pi19Ta℞25Pi29Cp
30 8Cp18Le22Sg℞ 0Sg26Sg 5Ta℞ 3Pi19Ta℞25Pi29Cp
31 9Cp 0Vi22Sg℞ 2Sg26Sg 5Ta 3Pi19Ta℞25Pi29Cp

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.