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Astrology · Reference · Ephemeris

Daily ephemeris — December 2011

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 8Sg28Aq15Sg℞ 6Cp 9Vi 1Ta℞25Li 0Ar℞28Aq 6Cp
2 9Sg10Pi14Sg℞ 7Cp 9Vi 1Ta℞25Li 0Ar℞28Aq 6Cp
310Sg23Pi13Sg℞ 8Cp10Vi 1Ta℞25Li 0Ar℞28Aq 6Cp
411Sg 5Ar11Sg℞ 9Cp10Vi 1Ta℞26Li 0Ar℞28Aq 6Cp
512Sg16Ar10Sg℞11Cp11Vi 1Ta℞26Li 0Ar℞28Aq 6Cp
614Sg28Ar 8Sg℞12Cp11Vi 1Ta℞26Li 0Ar℞28Aq 6Cp
715Sg10Ta 7Sg℞13Cp12Vi 0Ta℞26Li 0Ar℞28Aq 6Cp
816Sg22Ta 6Sg℞14Cp12Vi 0Ta℞26Li 0Ar℞28Aq 6Cp
917Sg 4Ge 5Sg℞16Cp12Vi 0Ta℞26Li 0Ar℞28Aq 6Cp
1018Sg16Ge 5Sg℞17Cp13Vi 0Ta℞26Li 0Ar28Aq 6Cp
1119Sg29Ge 4Sg℞18Cp13Vi 0Ta℞26Li 0Ar28Aq 6Cp
1220Sg11Cn 4Sg℞19Cp13Vi 0Ta℞26Li 0Ar28Aq 6Cp
1321Sg24Cn 3Sg℞21Cp14Vi 0Ta℞26Li 0Ar28Aq 6Cp
1422Sg 7Le 3Sg22Cp14Vi 0Ta℞26Li 0Ar28Aq 6Cp
1523Sg21Le 4Sg23Cp15Vi 0Ta℞27Li 0Ar28Aq 6Cp
1624Sg 4Vi 4Sg24Cp15Vi 0Ta℞27Li 0Ar28Aq 6Cp
1725Sg18Vi 4Sg25Cp15Vi 0Ta℞27Li 0Ar28Aq 6Cp
1826Sg 2Li 5Sg27Cp16Vi 0Ta℞27Li 0Ar28Aq 6Cp
1927Sg16Li 5Sg28Cp16Vi 0Ta℞27Li 0Ar28Aq 6Cp
2028Sg 0Sc 6Sg29Cp16Vi 0Ta℞27Li 0Ar28Aq 6Cp
2129Sg15Sc 7Sg 0Aq17Vi 0Ta℞27Li 0Ar28Aq 6Cp
22 0Cp29Sc 8Sg 2Aq17Vi 0Ta℞27Li 0Ar28Aq 6Cp
23 1Cp14Sg 9Sg 3Aq17Vi 0Ta℞27Li 0Ar28Aq 7Cp
24 2Cp28Sg10Sg 4Aq18Vi 0Ta℞27Li 0Ar28Aq 7Cp
25 3Cp13Cp11Sg 5Aq18Vi 0Ta℞27Li 0Ar28Aq 7Cp
26 4Cp27Cp12Sg 7Aq18Vi 0Ta27Li 0Ar28Aq 7Cp
27 5Cp10Aq14Sg 8Aq18Vi 0Ta27Li 0Ar28Aq 7Cp
28 6Cp23Aq15Sg 9Aq19Vi 0Ta28Li 0Ar28Aq 7Cp
29 7Cp 6Pi16Sg10Aq19Vi 0Ta28Li 0Ar28Aq 7Cp
30 8Cp18Pi17Sg11Aq19Vi 0Ta28Li 0Ar28Aq 7Cp
31 9Cp 1Ar19Sg13Aq19Vi 0Ta28Li 0Ar28Aq 7Cp

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.