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Astrology · Reference · Ephemeris

Daily ephemeris — December 2015

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 8Sg18Le16Sg25Li11Li21Vi 7Sg16Ar℞ 7Pi14Cp
2 9Sg 0Vi18Sg26Li11Li21Vi 7Sg16Ar℞ 7Pi14Cp
310Sg12Vi19Sg28Li12Li21Vi 7Sg16Ar℞ 7Pi14Cp
412Sg24Vi21Sg29Li12Li21Vi 7Sg16Ar℞ 7Pi14Cp
513Sg 6Li22Sg 0Sc13Li21Vi 8Sg16Ar℞ 7Pi14Cp
614Sg18Li24Sg 1Sc14Li21Vi 8Sg16Ar℞ 7Pi14Cp
715Sg 0Sc25Sg 2Sc14Li21Vi 8Sg16Ar℞ 7Pi14Cp
816Sg12Sc27Sg 3Sc15Li21Vi 8Sg16Ar℞ 7Pi14Cp
917Sg24Sc29Sg 5Sc15Li21Vi 8Sg16Ar℞ 7Pi14Cp
1018Sg 7Sg 0Cp 6Sc16Li21Vi 8Sg16Ar℞ 7Pi14Cp
1119Sg19Sg 2Cp 7Sc16Li22Vi 8Sg16Ar℞ 7Pi14Cp
1220Sg 2Cp 3Cp 8Sc17Li22Vi 8Sg16Ar℞ 7Pi14Cp
1321Sg16Cp 5Cp 9Sc18Li22Vi 9Sg16Ar℞ 7Pi14Cp
1422Sg29Cp 6Cp11Sc18Li22Vi 9Sg16Ar℞ 7Pi14Cp
1523Sg13Aq 8Cp12Sc19Li22Vi 9Sg16Ar℞ 7Pi14Cp
1624Sg26Aq 9Cp13Sc19Li22Vi 9Sg16Ar℞ 7Pi14Cp
1725Sg10Pi11Cp14Sc20Li22Vi 9Sg16Ar℞ 7Pi14Cp
1826Sg24Pi12Cp15Sc20Li22Vi 9Sg16Ar℞ 7Pi14Cp
1927Sg 8Ar14Cp16Sc21Li22Vi 9Sg16Ar℞ 7Pi14Cp
2028Sg22Ar15Cp18Sc22Li22Vi 9Sg16Ar℞ 7Pi14Cp
2129Sg 7Ta17Cp19Sc22Li22Vi 9Sg16Ar℞ 7Pi14Cp
22 0Cp21Ta18Cp20Sc23Li22Vi10Sg16Ar℞ 7Pi14Cp
23 1Cp 5Ge19Cp21Sc23Li22Vi10Sg16Ar℞ 7Pi14Cp
24 2Cp19Ge21Cp22Sc24Li22Vi10Sg16Ar℞ 7Pi14Cp
25 3Cp 3Cn22Cp24Sc24Li22Vi10Sg16Ar℞ 7Pi14Cp
26 4Cp17Cn23Cp25Sc25Li22Vi10Sg16Ar 7Pi14Cp
27 5Cp 0Le24Cp26Sc26Li23Vi10Sg16Ar 7Pi14Cp
28 6Cp13Le26Cp27Sc26Li23Vi10Sg16Ar 7Pi14Cp
29 7Cp26Le27Cp29Sc27Li23Vi10Sg16Ar 7Pi14Cp
30 8Cp 8Vi28Cp 0Sg27Li23Vi10Sg16Ar 7Pi15Cp
31 9Cp20Vi28Cp 1Sg28Li23Vi11Sg16Ar 7Pi15Cp

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.