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Astrology · Reference · Ephemeris

Daily ephemeris — May 2031

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
110Ta 0Vi14Ar23Ge14Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
211Ta12Vi15Ar24Ge14Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
312Ta25Vi16Ar25Ge14Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
413Ta 9Li17Ar26Ge13Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
514Ta22Li18Ar28Ge13Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
615Ta 7Sc19Ar29Ge13Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
716Ta21Sc20Ar 0Cn12Sc℞28Sg℞ 8Ge20Ge14Ar13Aq
817Ta 6Sg21Ar 1Cn12Sc℞28Sg℞ 9Ge20Ge14Ar13Aq
918Ta20Sg23Ar 2Cn12Sc℞28Sg℞ 9Ge20Ge14Ar13Aq
1019Ta 5Cp24Ar 3Cn11Sc℞28Sg℞ 9Ge21Ge14Ar13Aq
1120Ta20Cp25Ar 4Cn11Sc℞27Sg℞ 9Ge21Ge14Ar13Aq
1221Ta 4Aq27Ar 5Cn10Sc℞27Sg℞ 9Ge21Ge14Ar13Aq
1322Ta18Aq28Ar 6Cn10Sc℞27Sg℞ 9Ge21Ge14Ar13Aq
1423Ta 2Pi29Ar 7Cn10Sc℞27Sg℞ 9Ge21Ge14Ar13Aq
1524Ta16Pi 1Ta 8Cn 9Sc℞27Sg℞ 9Ge21Ge14Ar13Aq℞
1625Ta29Pi 2Ta 9Cn 9Sc℞27Sg℞10Ge21Ge14Ar13Aq℞
1726Ta12Ar 4Ta10Cn 9Sc℞27Sg℞10Ge21Ge14Ar13Aq℞
1827Ta25Ar 6Ta12Cn 8Sc℞27Sg℞10Ge21Ge14Ar13Aq℞
1928Ta 7Ta 7Ta13Cn 8Sc℞27Sg℞10Ge21Ge14Ar13Aq℞
2029Ta20Ta 9Ta14Cn 8Sc℞27Sg℞10Ge21Ge14Ar13Aq℞
21 0Ge 2Ge11Ta15Cn 7Sc℞27Sg℞10Ge21Ge14Ar13Aq℞
22 1Ge14Ge12Ta16Cn 7Sc℞26Sg℞10Ge21Ge14Ar13Aq℞
23 2Ge26Ge14Ta17Cn 7Sc℞26Sg℞11Ge21Ge14Ar13Aq℞
24 3Ge 8Cn16Ta18Cn 7Sc℞26Sg℞11Ge21Ge14Ar13Aq℞
25 4Ge20Cn18Ta19Cn 6Sc℞26Sg℞11Ge21Ge14Ar13Aq℞
26 5Ge 1Le20Ta20Cn 6Sc℞26Sg℞11Ge21Ge14Ar13Aq℞
27 6Ge13Le21Ta21Cn 6Sc℞26Sg℞11Ge21Ge14Ar13Aq℞
28 6Ge25Le23Ta22Cn 6Sc℞26Sg℞11Ge22Ge14Ar13Aq℞
29 7Ge 8Vi25Ta23Cn 5Sc℞26Sg℞11Ge22Ge14Ar13Aq℞
30 8Ge20Vi27Ta24Cn 5Sc℞26Sg℞11Ge22Ge14Ar13Aq℞
31 9Ge 3Li29Ta25Cn 5Sc℞25Sg℞12Ge22Ge14Ar13Aq℞

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.