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Astrology · Reference · Ephemeris

Daily ephemeris — December 1980

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 9Sg 2Li23Sc 9Sc 7Cp 6Li 7Li26Sc21Sg23Li
210Sg14Li25Sc10Sc 7Cp 6Li 7Li26Sc21Sg23Li
311Sg26Li26Sc11Sc 8Cp 6Li 7Li26Sc21Sg23Li
412Sg 7Sc28Sc12Sc 9Cp 6Li 8Li26Sc22Sg23Li
513Sg19Sc29Sc14Sc10Cp 6Li 8Li26Sc22Sg23Li
614Sg 2Sg 1Sg15Sc11Cp 6Li 8Li27Sc22Sg23Li
715Sg14Sg 2Sg16Sc11Cp 6Li 8Li27Sc22Sg23Li
816Sg26Sg 4Sg17Sc12Cp 7Li 8Li27Sc22Sg23Li
917Sg 9Cp 5Sg19Sc13Cp 7Li 8Li27Sc22Sg23Li
1018Sg22Cp 7Sg20Sc14Cp 7Li 8Li27Sc22Sg23Li
1119Sg 5Aq 8Sg21Sc14Cp 7Li 8Li27Sc22Sg23Li
1220Sg18Aq10Sg22Sc15Cp 7Li 8Li27Sc22Sg23Li
1321Sg 1Pi11Sg24Sc16Cp 7Li 8Li27Sc22Sg23Li
1422Sg15Pi13Sg25Sc17Cp 7Li 8Li27Sc22Sg23Li
1523Sg29Pi14Sg26Sc17Cp 7Li 8Li27Sc22Sg23Li
1624Sg13Ar16Sg27Sc18Cp 8Li 8Li27Sc22Sg23Li
1725Sg27Ar17Sg29Sc19Cp 8Li 8Li27Sc22Sg23Li
1826Sg12Ta19Sg 0Sg20Cp 8Li 8Li27Sc22Sg23Li
1927Sg27Ta21Sg 1Sg21Cp 8Li 8Li27Sc22Sg23Li
2028Sg11Ge22Sg 2Sg21Cp 8Li 9Li27Sc22Sg23Li
2129Sg26Ge24Sg 4Sg22Cp 8Li 9Li27Sc22Sg23Li
22 0Cp10Cn25Sg 5Sg23Cp 8Li 9Li27Sc22Sg23Li
23 1Cp24Cn27Sg 6Sg24Cp 8Li 9Li27Sc22Sg24Li
24 2Cp 8Le28Sg 7Sg24Cp 8Li 9Li28Sc22Sg24Li
25 3Cp21Le 0Cp 9Sg25Cp 8Li 9Li28Sc22Sg24Li
26 4Cp 3Vi 2Cp10Sg26Cp 9Li 9Li28Sc22Sg24Li
27 5Cp16Vi 3Cp11Sg27Cp 9Li 9Li28Sc22Sg24Li
28 6Cp28Vi 5Cp12Sg28Cp 9Li 9Li28Sc22Sg24Li
29 7Cp10Li 6Cp14Sg28Cp 9Li 9Li28Sc22Sg24Li
30 8Cp22Li 8Cp15Sg29Cp 9Li 9Li28Sc23Sg24Li
31 9Cp 4Sc10Cp16Sg 0Aq 9Li 9Li28Sc23Sg24Li

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.