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Astrology · Reference · Ephemeris

Daily ephemeris — May 1997

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
111Ta29Aq 1Ta℞18Ta16Vi19Aq14Ar 8Aq29Cp 4Sg℞
212Ta13Pi 0Ta℞19Ta16Vi19Aq14Ar 8Aq29Cp℞ 4Sg℞
313Ta28Pi 0Ta℞21Ta16Vi19Aq14Ar 8Aq29Cp℞ 4Sg℞
414Ta12Ar 0Ta℞22Ta17Vi19Aq14Ar 8Aq29Cp℞ 4Sg℞
515Ta26Ar29Ar℞23Ta17Vi20Aq14Ar 8Aq29Cp℞ 4Sg℞
615Ta11Ta29Ar℞24Ta17Vi20Aq14Ar 8Aq29Cp℞ 4Sg℞
716Ta25Ta29Ar℞26Ta17Vi20Aq14Ar 8Aq29Cp℞ 4Sg℞
817Ta 8Ge29Ar℞27Ta17Vi20Aq14Ar 8Aq29Cp℞ 4Sg℞
918Ta22Ge29Ar28Ta17Vi20Aq15Ar 8Aq29Cp℞ 4Sg℞
1019Ta 5Cn29Ar29Ta17Vi20Aq15Ar 8Aq29Cp℞ 4Sg℞
1120Ta17Cn29Ar 0Ge17Vi20Aq15Ar 8Aq29Cp℞ 4Sg℞
1221Ta 0Le 0Ta 2Ge18Vi20Aq15Ar 8Aq29Cp℞ 4Sg℞
1322Ta12Le 0Ta 3Ge18Vi20Aq15Ar 8Aq℞29Cp℞ 4Sg℞
1423Ta24Le 0Ta 4Ge18Vi20Aq15Ar 8Aq℞29Cp℞ 4Sg℞
1524Ta 6Vi 1Ta 5Ge18Vi20Aq15Ar 8Aq℞29Cp℞ 4Sg℞
1625Ta17Vi 1Ta 7Ge18Vi20Aq15Ar 8Aq℞29Cp℞ 4Sg℞
1726Ta29Vi 2Ta 8Ge18Vi21Aq15Ar 8Aq℞29Cp℞ 4Sg℞
1827Ta11Li 3Ta 9Ge19Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
1928Ta24Li 3Ta10Ge19Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
2029Ta 6Sc 4Ta12Ge19Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
21 0Ge19Sc 5Ta13Ge19Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
22 1Ge 2Sg 6Ta14Ge20Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
23 2Ge16Sg 7Ta15Ge20Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
24 3Ge 0Cp 8Ta16Ge20Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
25 4Ge14Cp 9Ta18Ge20Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
26 5Ge28Cp10Ta19Ge21Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
27 6Ge12Aq11Ta20Ge21Vi21Aq16Ar 8Aq℞29Cp℞ 4Sg℞
28 7Ge26Aq12Ta21Ge21Vi21Aq17Ar 8Aq℞29Cp℞ 4Sg℞
29 8Ge10Pi14Ta23Ge22Vi21Aq17Ar 8Aq℞29Cp℞ 4Sg℞
30 9Ge24Pi15Ta24Ge22Vi21Aq17Ar 8Aq℞29Cp℞ 4Sg℞
3110Ge 8Ar16Ta25Ge22Vi21Aq17Ar 8Aq℞29Cp℞ 4Sg℞

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.