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Astrology · Reference · Ephemeris

Daily ephemeris — May 2016

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
111Ta28Aq23Ta℞ 1Ta 7Sg℞13Vi℞15Sg℞21Ar11Pi17Cp℞
212Ta12Pi22Ta℞ 3Ta 7Sg℞13Vi℞15Sg℞21Ar11Pi17Cp℞
313Ta26Pi22Ta℞ 4Ta 7Sg℞13Vi℞15Sg℞21Ar11Pi17Cp℞
414Ta11Ar22Ta℞ 5Ta 7Sg℞13Vi℞15Sg℞21Ar11Pi17Cp℞
515Ta26Ar21Ta℞ 6Ta 6Sg℞13Vi℞15Sg℞21Ar11Pi17Cp℞
616Ta11Ta21Ta℞ 7Ta 6Sg℞13Vi℞15Sg℞21Ar11Pi17Cp℞
717Ta27Ta20Ta℞ 9Ta 6Sg℞13Vi℞14Sg℞21Ar11Pi17Cp℞
818Ta12Ge20Ta℞10Ta 6Sg℞13Vi℞14Sg℞22Ar11Pi17Cp℞
919Ta26Ge19Ta℞11Ta 5Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1020Ta10Cn18Ta℞12Ta 5Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1121Ta24Cn18Ta℞14Ta 5Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1222Ta 7Le17Ta℞15Ta 5Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1323Ta20Le17Ta℞16Ta 4Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1424Ta 3Vi16Ta℞17Ta 4Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1525Ta15Vi16Ta℞19Ta 4Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1626Ta27Vi15Ta℞20Ta 3Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1727Ta 9Li15Ta℞21Ta 3Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1827Ta20Li14Ta℞22Ta 3Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
1928Ta 2Sc14Ta℞23Ta 2Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
2029Ta14Sc14Ta℞25Ta 2Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
21 0Ge26Sc14Ta℞26Ta 2Sg℞13Vi14Sg℞22Ar11Pi17Cp℞
22 1Ge 8Sg14Ta℞27Ta 1Sg℞13Vi13Sg℞22Ar11Pi17Cp℞
23 2Ge20Sg14Ta28Ta 1Sg℞13Vi13Sg℞22Ar11Pi17Cp℞
24 3Ge 3Cp14Ta 0Ge 1Sg℞13Vi13Sg℞22Ar11Pi17Cp℞
25 4Ge15Cp14Ta 1Ge 0Sg℞13Vi13Sg℞22Ar11Pi17Cp℞
26 5Ge28Cp14Ta 2Ge 0Sg℞13Vi13Sg℞22Ar11Pi17Cp℞
27 6Ge11Aq15Ta 3Ge 0Sg℞13Vi13Sg℞22Ar11Pi17Cp℞
28 7Ge24Aq15Ta 5Ge29Sc℞13Vi13Sg℞23Ar11Pi17Cp℞
29 8Ge 8Pi16Ta 6Ge29Sc℞13Vi13Sg℞23Ar11Pi17Cp℞
30 9Ge22Pi16Ta 7Ge28Sc℞13Vi13Sg℞23Ar11Pi17Cp℞
3110Ge 6Ar17Ta 8Ge28Sc℞13Vi13Sg℞23Ar11Pi17Cp℞

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.