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Jupiter enters sidereal Libra 18 December 2028, full ingress ephemeris
Transit note · Findings · Published 14 August 2026

Jupiter enters Libra on 18 December 2028: the exact sidereal date and ephemeris

Search for this ingress and most of what comes back is either tropical, which runs a full sign ahead, or undated sign-forecast filler. This page does one job: it fixes every pass of Jupiter's Libra ingress to the day under sidereal True Pushya Paksha, explains why the crossing happens twice, reads the Libra chapter through the classical lens of balance, contracts and partnerships, then shows how to verify each date yourself.

The short answer. Jupiter enters sidereal Libra on 18 December 2028, computed with Swiss Ephemeris under the True Pushya Paksha ayanamsha. The retrograde loop pulls it back into Virgo on 7 April 2029, the final re-entry that begins the full Libra stay comes on 17 August 2029, and the exit to Scorpio follows on 16 January 2030 with one last retrograde dip back into Libra on 10 May 2030. The parent calendar covering every Jupiter ingress from 2025 onward sits on the Jupiter transit hub.

The road to Libra: where Jupiter sits through 2028

The Libra ingress is the last act of a Virgo chapter that is itself split in two. Jupiter first crosses into sidereal Virgo on 18 November 2027, and the annual retrograde loop pulls it back into Leo on 9 March 2028. The Leo replay lasts through the first half of the year, the final forward pass returns Jupiter to Virgo on 17 July 2028, and Virgo then holds the planet through the second half of 2028. On 18 December 2028 Jupiter reaches the Virgo-Libra boundary and crosses it for the first time.

That crossing renames the year-scale theme. Jupiter averages close to twelve months per sidereal sign, so each ingress marks the point where the supported life area moves one house along for every chart. The mechanics of reading that house count, and the full table of every sign change from May 2025 onward, live on the Jupiter transit hub; this page zooms in on the Libra boundary because the query deserves a dated answer rather than a row in a larger table.

One distinction worth keeping sharp before the table: this page is about Jupiter's transit, the sky's current position moving over everyone's chart at once. Jupiter's mahadasha, the sixteen-year timing period assigned by the birth chart, is a different instrument entirely and runs on the chart owner's personal clock. The two are often conflated in search results; the Jupiter mahadasha hub covers the period system, and nothing on this page depends on it.

Jupiter in Libra: the full ingress ephemeris

Every date below is sidereal under the True Pushya Paksha ayanamsha, computed with Swiss Ephemeris. The same astronomical moments carry slightly different dates under Lahiri and a different sign label under tropical reckonings; both offsets are unpacked further down.

MovementDatePass
Virgo → Libra18 Dec 2028First pass
Retreats into Virgo (retrograde)7 Apr 2029Retreat
Virgo → Libra17 Aug 2029Final pass, full stay begins
Libra → Scorpio16 Jan 2030First pass of the next loop
Retreats into Libra (retrograde)10 May 2030Final Libra dip

Read as a single chapter rather than five rows: Libra gets a first taste from 18 December 2028 to 7 April 2029, the full stay runs from 17 August 2029 to 16 January 2030, and the sign hosts Jupiter once more from 10 May 2030 while the retrograde loop unwinds before the Scorpio chapter settles later that year. Anyone tracking a Libra-house theme should expect it to arrive in the winter of 2028-29, withdraw through the spring and summer of 2029, return in force from August 2029 and echo one final time in mid-2030.

Why the ingress happens more than once

Jupiter never actually reverses course. Earth, on a faster inner orbit, laps Jupiter roughly every thirteen months, and during the overtaking window Jupiter appears to slide backward against the stars for about four months. Each year the whole retrograde loop shifts roughly one sign forward. When the loop lands mid-sign the calendar stays simple. When it lands on a boundary, as it does here, one sign change becomes several dated events: the first forward pass into the new sign, the retrograde retreat into the old one and a final forward pass that begins the full stay.

The Virgo-Libra boundary catches the 2029 loop, which is why the first pass of 18 December 2028 lasts only until 7 April 2029 before Jupiter backs into Virgo for four months. The next loop then catches the Libra-Scorpio boundary, so the pattern repeats one sign along: Scorpio gets its first taste from 16 January 2030, and the retreat of 10 May 2030 hands Libra one closing encore. This is the same figure the hub page documents for Cancer, Leo and Virgo across 2025 to 2028, drawn two signs further along.

Classical practice reads the passes as preview, replay and confirmation: the first pass introduces the new theme, the retreat re-opens the previous sign's business, and the final pass settles the chapter. That is a reading convention, not a measured claim. What the geometry establishes mechanically is narrower and more useful: any Libra-flavoured development that surfaces in early 2029 sits inside a window that closes in April and re-opens in August, so a plan keyed to this transit should treat the first pass as provisional and the August 2029 re-entry as the start of the durable stretch.

What Jupiter in Libra classically signifies

Libra is the seventh sign of the natural zodiac, owned by Venus and pictured as the scales. In the classical grammar the seventh sign governs the other party: partnerships, marriage, contracts, alliances, litigation, negotiation and open trade. Jupiter is the significator of growth, counsel and wealth, so its year in Libra reads as expansion applied to agreement-making: the texts associate such a transit with support for forming and formalising partnerships, settling disputes, striking deals and balancing accounts, in whichever house of the individual chart Libra occupies.

By sign dignity the placement is middling. Libra is neither Jupiter's exaltation, which is Cancer, nor its debilitation, which is Capricorn; it is a guest posting in the sign of Venus, and the compendia treat it as workable rather than emphatic. That makes the Libra chapter a quieter one than the exalted Cancer window of 2026-27 that dominates this library, and it is worth saying plainly that no classical source promises outcomes from a sign-level transit. The scales imagery has also made Jupiter-in-Libra a perennial theme in market-facing astrology, where it gets read as a window for pricing, arbitration and trade balance. Tempora treats that as a hypothesis to test, not a fact to assert: dated market calls, when this window earns any, will sit on the Tracker with written falsifiers, and none exist for this transit as of publication.

The Libra transit by ascendant

The calendar above is shared; the house count personalises it. With whole sign houses, count from your rising sign to Libra to find which life area hosts the transit. One line per ascendant:

Run the count twice, once from the ascendant and once from the Moon sign, and weight windows where both counts flag the same house family. A useful calibration is the twelve-year lookback: whatever Libra's house held for you around 2016-17, when Jupiter last crossed this sign, is a better personal base rate than any generic forecast. The transit also sits on top of the running dasha, and the period usually matters more than the transit; the interplay is covered on the Jupiter mahadasha hub.

Why tropical sources give a much earlier date

Type this query into a general search engine and many results will date Jupiter's Libra ingress more than a year before December 2028. Those are tropical dates. Tropical systems, standard in Western astrology, anchor the zodiac to the equinox; sidereal systems, standard in Vedic practice, anchor it to the stars. Precession has carried the two anchors roughly 24 degrees apart, close to a full sign, so tropical Jupiter reaches the Libra label while sidereal Jupiter is still deep in Virgo. Neither system is miscalculating; they are measuring against different zero points, and a date that looks contradictory is usually just wearing the other zodiac's label. The full explainer is at sidereal vs tropical.

Within the sidereal family a second, much smaller offset applies. Most Vedic almanacs default to the Lahiri ayanamsha; Tempora computes with True Pushya Paksha, an anchor set to the centre of the Pushya nakshatra that sits roughly a tenth of a degree from Lahiri in the current era. Mid-sign the two barely disagree, but near a boundary crossing, where Jupiter's apparent motion slows, that sliver can move an ingress date by days. A few days of mismatch with your panchanga is therefore expected rather than an error. The case for the anchor is argued in full at True Pushya Paksha vs Lahiri.

Check the dates yourself

None of this needs to be taken on trust. Every date on this page comes from the Swiss Ephemeris, the standard high-precision planetary engine derived from JPL data, run in sidereal mode with the True Pushya Paksha ayanamsha as specified by PVRN Rao. To reproduce the table: compute Jupiter's sidereal longitude day by day across late 2028 through mid-2030 and record each crossing of 180 degrees, the Virgo-Libra boundary, and 210 degrees, the Libra-Scorpio boundary. Five crossings appear, matching the five rows above.

Any tool that exposes Swiss Ephemeris with a configurable ayanamsha can run the check; set Lahiri instead and the same five crossings appear within days of these dates, set a tropical zodiac and the crossings move back by roughly a sign's worth of travel time. This is the same engine and anchor behind every dated call on the Tracker, so the calendar here and the scoreboard there share one computational spine.

Frequently asked

What is the exact date Jupiter enters Libra in 2028?

Jupiter enters sidereal Libra on 18 December 2028, computed with Swiss Ephemeris under the True Pushya Paksha ayanamsha. That first pass is short: the retrograde loop pulls Jupiter back into Virgo on 7 April 2029, and the final re-entry that begins the full Libra stay comes on 17 August 2029.

How long does Jupiter stay in Libra?

The Libra chapter runs in three passes: 18 December 2028 to 7 April 2029, then 17 August 2029 to 16 January 2030, then a final retrograde dip back into Libra from 10 May 2030 before the Scorpio stay settles. Added together the sign holds Jupiter for roughly a year, which is Jupiter's average per sidereal sign.

Why does Jupiter enter Libra twice?

Earth overtakes Jupiter roughly every thirteen months, which makes Jupiter appear to move backward for about four months each year. The 2028-29 loop straddles the Virgo-Libra boundary, so the ingress happens twice: a first forward pass on 18 December 2028, a retrograde retreat into Virgo on 7 April 2029 and a final forward pass on 17 August 2029 that begins the full stay. This is geometry, not an event forecast.

Why do some sources say Jupiter enters Libra in 2027?

Those are tropical dates. Tropical systems anchor the zodiac to the equinox and now sit roughly 24 degrees ahead of sidereal reckonings, close to a full sign, so a tropical listing puts Jupiter into Libra well over a year before the sidereal ingress of 18 December 2028. Vedic practice is sidereal, and this page is sidereal throughout.

Will Lahiri-based panchanga listings show the same dates?

Nearly. Tempora computes with True Pushya Paksha, which sits roughly a tenth of a degree from Lahiri in the current era. Mid-sign the two anchors barely disagree, but near a station or a boundary crossing, where Jupiter's apparent motion slows toward zero, the same small offset can move an ingress date by days. A mismatch of a few days with your panchanga is expected, not an error.

What does Jupiter in Libra classically signify?

Libra is the seventh sign of the natural zodiac, owned by Venus and associated with the scales: balance, judgement, contracts, partnerships, marriage and open trade. Classical practice reads Jupiter's transit through Libra as roughly a year in which agreement-making and partnership affairs receive expansion. That is a reading convention, not a measured claim; Tempora's dated forward calls live on the Tracker with written test conditions.

This page presents conventional Vedic transit teaching applied to Jupiter's 2028-2030 Libra chapter, computed sidereally with the True Pushya Paksha ayanamsha via Swiss Ephemeris. Structural windows are context, not guarantees; classical significations such as the Libra partnership reading are conventions of the system, not established empirical effects, and individual charts vary in ways a shared calendar cannot capture. This page does not constitute financial, medical, legal or personal advice. First published 14 August 2026 by Tempora Research.

Methods & Data

Tempora's calibration runs on the Swiss Ephemeris with the True Pushya Paksha ayanamsa by PVRN Rao. Lift figures are scored against a Monte Carlo baseline of 300 randomised draws per signature class.

Methodology: Calibrated lift · Falsifier discipline · Forward-call tracker