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Astrology · Reference · Ephemeris

Daily ephemeris — May 2003

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
110Ta10Ta19Ta℞11Ar 5Aq 9Le26Ge 2Pi13Aq19Sg℞
211Ta22Ta19Ta℞13Ar 6Aq 9Le26Ge 2Pi13Aq19Sg℞
312Ta 4Ge18Ta℞14Ar 6Aq 9Le26Ge 2Pi13Aq19Sg℞
413Ta16Ge18Ta℞15Ar 7Aq 9Le26Ge 2Pi13Aq19Sg℞
514Ta28Ge17Ta℞16Ar 7Aq 9Le26Ge 2Pi13Aq19Sg℞
615Ta10Cn16Ta℞17Ar 8Aq 9Le26Ge 2Pi13Aq19Sg℞
716Ta22Cn16Ta℞19Ar 9Aq 9Le26Ge 2Pi13Aq19Sg℞
817Ta 5Le15Ta℞20Ar 9Aq 9Le26Ge 2Pi13Aq19Sg℞
918Ta18Le14Ta℞21Ar10Aq 9Le26Ge 2Pi13Aq19Sg℞
1019Ta 1Vi14Ta℞22Ar10Aq10Le27Ge 2Pi13Aq19Sg℞
1120Ta15Vi13Ta℞24Ar11Aq10Le27Ge 2Pi13Aq19Sg℞
1221Ta 0Li13Ta℞25Ar12Aq10Le27Ge 2Pi13Aq19Sg℞
1322Ta14Li12Ta℞26Ar12Aq10Le27Ge 2Pi13Aq19Sg℞
1423Ta29Li12Ta℞27Ar13Aq10Le27Ge 2Pi13Aq19Sg℞
1524Ta15Sc11Ta℞28Ar13Aq10Le27Ge 2Pi13Aq19Sg℞
1625Ta 0Sg11Ta℞ 0Ta14Aq10Le27Ge 2Pi13Aq℞19Sg℞
1726Ta15Sg11Ta℞ 1Ta14Aq10Le27Ge 2Pi13Aq℞19Sg℞
1827Ta29Sg11Ta℞ 2Ta15Aq10Le27Ge 2Pi13Aq℞19Sg℞
1928Ta14Cp11Ta℞ 3Ta15Aq11Le28Ge 2Pi13Aq℞19Sg℞
2029Ta28Cp11Ta 4Ta16Aq11Le28Ge 2Pi13Aq℞19Sg℞
21 0Ge11Aq11Ta 6Ta16Aq11Le28Ge 2Pi13Aq℞19Sg℞
22 0Ge24Aq11Ta 7Ta17Aq11Le28Ge 2Pi13Aq℞19Sg℞
23 1Ge 7Pi11Ta 8Ta18Aq11Le28Ge 2Pi13Aq℞19Sg℞
24 2Ge19Pi11Ta 9Ta18Aq11Le28Ge 2Pi13Aq℞19Sg℞
25 3Ge 2Ar12Ta10Ta19Aq11Le28Ge 2Pi13Aq℞19Sg℞
26 4Ge13Ar12Ta12Ta19Aq11Le28Ge 2Pi13Aq℞18Sg℞
27 5Ge25Ar13Ta13Ta20Aq12Le29Ge 2Pi13Aq℞18Sg℞
28 6Ge 7Ta13Ta14Ta20Aq12Le29Ge 2Pi13Aq℞18Sg℞
29 7Ge19Ta14Ta15Ta21Aq12Le29Ge 2Pi13Aq℞18Sg℞
30 8Ge 1Ge14Ta17Ta21Aq12Le29Ge 2Pi13Aq℞18Sg℞
31 9Ge13Ge15Ta18Ta22Aq12Le29Ge 2Pi13Aq℞18Sg℞

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.