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Astrology · Reference · Ephemeris

Daily ephemeris — December 1978

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 8Sg24Sg18Sg℞ 7Sc21Sg 9Le℞13Vi18Sc17Sg18Li
2 9Sg 9Cp17Sg℞ 7Sc22Sg 8Le℞13Vi18Sc17Sg18Li
310Sg24Cp16Sg℞ 7Sc23Sg 8Le℞13Vi18Sc17Sg18Li
411Sg 8Aq15Sg℞ 8Sc23Sg 8Le℞13Vi18Sc17Sg18Li
512Sg23Aq13Sg℞ 8Sc24Sg 8Le℞13Vi18Sc17Sg18Li
614Sg 7Pi12Sg℞ 8Sc25Sg 8Le℞13Vi18Sc17Sg18Li
715Sg21Pi11Sg℞ 8Sc26Sg 8Le℞13Vi18Sc17Sg18Li
816Sg 4Ar 9Sg℞ 9Sc26Sg 8Le℞13Vi18Sc17Sg18Li
917Sg18Ar 8Sg℞ 9Sc27Sg 8Le℞13Vi18Sc18Sg18Li
1018Sg 1Ta 7Sg℞10Sc28Sg 8Le℞13Vi18Sc18Sg18Li
1119Sg14Ta 6Sg℞10Sc29Sg 8Le℞13Vi18Sc18Sg18Li
1220Sg26Ta 6Sg℞10Sc29Sg 8Le℞13Vi18Sc18Sg18Li
1321Sg 9Ge 5Sg℞11Sc 0Cp 8Le℞13Vi18Sc18Sg18Li
1422Sg21Ge 5Sg℞11Sc 1Cp 8Le℞13Vi18Sc18Sg18Li
1523Sg 4Cn 5Sg℞12Sc 2Cp 8Le℞13Vi18Sc18Sg18Li
1624Sg16Cn 5Sg13Sc 2Cp 8Le℞13Vi18Sc18Sg18Li
1725Sg28Cn 5Sg13Sc 3Cp 8Le℞13Vi18Sc18Sg18Li
1826Sg10Le 5Sg14Sc 4Cp 8Le℞13Vi19Sc18Sg18Li
1927Sg21Le 6Sg14Sc 5Cp 8Le℞13Vi19Sc18Sg18Li
2028Sg 3Vi 7Sg15Sc 5Cp 8Le℞13Vi19Sc18Sg18Li
2129Sg15Vi 7Sg16Sc 6Cp 7Le℞13Vi19Sc18Sg18Li
22 0Cp27Vi 8Sg16Sc 7Cp 7Le℞13Vi19Sc18Sg18Li
23 1Cp 9Li 9Sg17Sc 8Cp 7Le℞13Vi19Sc18Sg18Li
24 2Cp22Li10Sg18Sc 8Cp 7Le℞13Vi19Sc18Sg18Li
25 3Cp 5Sc11Sg19Sc 9Cp 7Le℞13Vi℞19Sc18Sg19Li
26 4Cp19Sc12Sg19Sc10Cp 7Le℞13Vi℞19Sc18Sg19Li
27 5Cp 3Sg13Sg20Sc11Cp 7Le℞13Vi℞19Sc18Sg19Li
28 6Cp18Sg14Sg21Sc12Cp 7Le℞13Vi℞19Sc18Sg19Li
29 7Cp 2Cp15Sg22Sc12Cp 7Le℞13Vi℞19Sc18Sg19Li
30 8Cp18Cp17Sg23Sc13Cp 7Le℞13Vi℞19Sc18Sg19Li
31 9Cp 3Aq18Sg23Sc14Cp 7Le℞13Vi℞19Sc18Sg19Li

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.