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Astrology · Reference · Ephemeris

Daily ephemeris — May 1980

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
111Ta24Sc28Ar23Ge29Le 0Vi20Vi℞24Sc℞22Sg℞19Li℞
212Ta 7Sg 0Ta24Ge29Le 0Vi20Vi℞24Sc℞22Sg℞19Li℞
313Ta19Sg 2Ta25Ge29Le 0Vi20Vi℞24Sc℞22Sg℞19Li℞
414Ta 2Cp 4Ta25Ge 0Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
515Ta15Cp 6Ta26Ge 0Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
616Ta28Cp 8Ta26Ge 0Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
717Ta12Aq10Ta27Ge 0Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
818Ta26Aq12Ta27Ge 1Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
919Ta10Pi14Ta28Ge 1Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1019Ta24Pi16Ta28Ge 1Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1120Ta 9Ar18Ta29Ge 2Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1221Ta24Ar20Ta29Ge 2Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1322Ta 9Ta22Ta 0Cn 2Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1423Ta23Ta25Ta 0Cn 3Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1524Ta 8Ge27Ta 0Cn 3Vi 0Vi20Vi℞23Sc℞22Sg℞19Li℞
1625Ta22Ge29Ta 1Cn 3Vi 0Vi20Vi℞23Sc℞21Sg℞19Li℞
1726Ta 6Cn 1Ge 1Cn 4Vi 0Vi20Vi℞23Sc℞21Sg℞19Li℞
1827Ta19Cn 3Ge 1Cn 4Vi 0Vi20Vi℞23Sc℞21Sg℞19Li℞
1928Ta 2Le 6Ge 2Cn 5Vi 1Vi20Vi℞23Sc℞21Sg℞19Li℞
2029Ta15Le 8Ge 2Cn 5Vi 1Vi20Vi℞23Sc℞21Sg℞19Li℞
21 0Ge27Le10Ge 2Cn 5Vi 1Vi20Vi℞23Sc℞21Sg℞19Li℞
22 1Ge 9Vi12Ge 2Cn 6Vi 1Vi20Vi23Sc℞21Sg℞19Li℞
23 2Ge21Vi14Ge 2Cn 6Vi 1Vi20Vi23Sc℞21Sg℞19Li℞
24 3Ge 2Li16Ge 2Cn 6Vi 1Vi20Vi23Sc℞21Sg℞19Li℞
25 4Ge14Li18Ge 2Cn℞ 7Vi 1Vi20Vi23Sc℞21Sg℞19Li℞
26 5Ge26Li20Ge 2Cn℞ 7Vi 1Vi20Vi23Sc℞21Sg℞19Li℞
27 6Ge 8Sc22Ge 2Cn℞ 8Vi 1Vi20Vi23Sc℞21Sg℞19Li℞
28 7Ge21Sc24Ge 2Cn℞ 8Vi 1Vi20Vi22Sc℞21Sg℞19Li℞
29 8Ge 3Sg25Ge 2Cn℞ 9Vi 1Vi20Vi22Sc℞21Sg℞19Li℞
30 9Ge16Sg27Ge 1Cn℞ 9Vi 1Vi20Vi22Sc℞21Sg℞19Li℞
3110Ge29Sg29Ge 1Cn℞ 9Vi 2Vi20Vi22Sc℞21Sg℞19Li℞

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.