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Astrology · Reference · Ephemeris

Daily ephemeris — May 2051

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
111Ta12Cp14Ar15Ar23Ge25Le19Aq21Vi℞27Ta11Pi
212Ta25Cp15Ar16Ar24Ge26Le19Aq21Vi℞27Ta11Pi
313Ta 9Aq16Ar18Ar25Ge26Le19Aq21Vi℞27Ta11Pi
413Ta22Aq18Ar19Ar25Ge26Le20Aq21Vi℞27Ta11Pi
514Ta 6Pi19Ar20Ar26Ge26Le20Aq21Vi℞27Ta11Pi
615Ta21Pi20Ar21Ar27Ge26Le20Aq21Vi℞27Ta11Pi
716Ta 5Ar21Ar22Ar27Ge26Le20Aq21Vi℞27Ta11Pi
817Ta20Ar23Ar24Ar28Ge26Le20Aq21Vi℞27Ta11Pi
918Ta 5Ta24Ar25Ar29Ge26Le20Aq21Vi℞27Ta11Pi
1019Ta20Ta26Ar26Ar29Ge26Le20Aq21Vi℞27Ta11Pi
1120Ta 5Ge27Ar27Ar 0Cn26Le20Aq21Vi℞27Ta11Pi
1221Ta19Ge29Ar29Ar 0Cn26Le20Aq21Vi℞27Ta11Pi
1322Ta 3Cn 0Ta 0Ta 1Cn26Le20Aq21Vi℞27Ta11Pi
1423Ta17Cn 2Ta 1Ta 2Cn26Le20Aq21Vi℞27Ta11Pi
1524Ta 0Le 4Ta 2Ta 2Cn26Le20Aq21Vi℞27Ta11Pi
1625Ta13Le 5Ta 3Ta 3Cn26Le20Aq21Vi℞27Ta11Pi
1726Ta25Le 7Ta 5Ta 4Cn26Le20Aq21Vi℞28Ta11Pi
1827Ta 8Vi 9Ta 6Ta 4Cn26Le20Aq21Vi℞28Ta11Pi
1928Ta19Vi11Ta 7Ta 5Cn26Le20Aq21Vi℞28Ta11Pi
2029Ta 1Li12Ta 8Ta 6Cn27Le20Aq21Vi℞28Ta11Pi
21 0Ge13Li14Ta10Ta 6Cn27Le20Aq21Vi℞28Ta11Pi
22 1Ge25Li16Ta11Ta 7Cn27Le20Aq21Vi℞28Ta11Pi
23 2Ge 7Sc18Ta12Ta 7Cn27Le20Aq21Vi℞28Ta11Pi
24 3Ge19Sc20Ta13Ta 8Cn27Le20Aq21Vi℞28Ta11Pi
25 4Ge 1Sg22Ta14Ta 9Cn27Le20Aq21Vi℞28Ta11Pi
26 5Ge14Sg24Ta16Ta 9Cn27Le20Aq21Vi℞28Ta11Pi
27 6Ge26Sg26Ta17Ta10Cn27Le20Aq21Vi℞28Ta11Pi
28 7Ge 9Cp28Ta18Ta11Cn27Le20Aq21Vi℞28Ta11Pi
29 8Ge22Cp 0Ge19Ta11Cn27Le20Aq21Vi28Ta11Pi
30 9Ge 5Aq 2Ge20Ta12Cn28Le20Aq21Vi28Ta11Pi
3110Ge19Aq 5Ge22Ta13Cn28Le20Aq℞21Vi28Ta11Pi

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.