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Astrology · Reference · Ephemeris

Daily ephemeris — May 1981

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
111Ta 3Ar15Ta17Ta 4Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
211Ta17Ar17Ta18Ta 5Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
312Ta 3Ta19Ta19Ta 6Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
413Ta18Ta21Ta20Ta 6Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
514Ta 3Ge24Ta22Ta 7Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
615Ta18Ge26Ta23Ta 8Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
716Ta 3Cn28Ta24Ta 9Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
817Ta17Cn 0Ge25Ta 9Ta 1Li℞ 3Li℞28Sc℞24Sg℞22Li℞
918Ta 1Le 2Ge27Ta10Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1019Ta14Le 4Ge28Ta11Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1120Ta27Le 6Ge29Ta12Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1221Ta 9Vi 7Ge 0Ge12Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1322Ta22Vi 9Ge 2Ge13Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1423Ta 4Li11Ge 3Ge14Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1524Ta16Li13Ge 4Ge15Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1625Ta28Li14Ge 5Ge15Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1726Ta10Sc16Ge 6Ge16Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1827Ta21Sc17Ge 8Ge17Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
1928Ta 3Sg19Ge 9Ge17Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
2029Ta15Sg20Ge10Ge18Ta 0Li℞ 3Li℞28Sc℞24Sg℞22Li℞
21 0Ge27Sg22Ge11Ge19Ta 0Li℞ 3Li℞28Sc℞24Sg℞21Li℞
22 1Ge 9Cp23Ge13Ge20Ta 0Li℞ 3Li℞27Sc℞24Sg℞21Li℞
23 2Ge22Cp24Ge14Ge20Ta 0Li℞ 3Li℞27Sc℞24Sg℞21Li℞
24 3Ge 4Aq25Ge15Ge21Ta 0Li℞ 3Li℞27Sc℞24Sg℞21Li℞
25 4Ge17Aq26Ge16Ge22Ta 0Li℞ 3Li℞27Sc℞24Sg℞21Li℞
26 5Ge 0Pi27Ge18Ge23Ta 0Li℞ 3Li℞27Sc℞23Sg℞21Li℞
27 6Ge13Pi28Ge19Ge23Ta 0Li℞ 3Li℞27Sc℞23Sg℞21Li℞
28 7Ge27Pi29Ge20Ge24Ta 0Li 3Li℞27Sc℞23Sg℞21Li℞
29 8Ge12Ar 0Cn21Ge25Ta 0Li 3Li℞27Sc℞23Sg℞21Li℞
30 8Ge26Ar 1Cn22Ge25Ta 0Li 3Li℞27Sc℞23Sg℞21Li℞
31 9Ge11Ta 2Cn24Ge26Ta 0Li 3Li℞27Sc℞23Sg℞21Li℞

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.