Stellium Dates 2026-2028: When Planets Crowd One Sign

On 28 October 2026 no tropical sign holds three planets. The last group of three, Sun, Mercury and Venus in Scorpio, broke up on 25 October 2026, and the next will form on 20 January 2027, when Sun, Mercury and Pluto will share Aquarius until 1 February 2027. Read in the Lahiri zodiac, the same three bodies are still together in Libra, where they have been since 17 October 2026 and will stay until 6 November 2026. Those three facts already show the two things this page measures: how often the sky bunches its planets into one sign, and how much the answer depends on which zodiac draws the signs.

What Counts as a Stellium Here

Western astrologers use “stellium” for a cluster of planets in one sign (some writers also apply it to one house), and they do not agree on the size of the cluster. Some call three bodies a stellium; others want four or more. Some count the Moon, and some count the Ascendant or Midheaven as a member. So any list of stellium dates is a list under one set of choices, and this page states its own.

It counts the nine bodies a Western chart draws besides the Moon: Sun, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. A stellium is any stretch in which three or more of them stand in one sign. The Moon is left out because it crosses a sign in about two and a half days, and counting it would add a short three-body group each time it passed a sign already holding two planets, so the table would fill with two-day entries that recur every month. Angles belong to a birth chart and a place, not to the sky, so they are out too. Positions come from the JPL DE421 ephemeris, sampled every hour from 1 January 2026 to 31 December 2028 in Indian Standard Time; signs are tropical first, as Western charts draw them. A stretch is broken into stages whenever a body joins or leaves, and consecutive stages in one sign are merged here into a single gathering, with its peak count and the bodies present at the peak. The ends are good to the hour, so only dates are printed.

On that definition the tropical sky holds 38 gatherings in the three years, and some sign holds a stellium for 606 of the 1096 days, 55% of the time. Raise the bar to four, as some writers do, and only ten of the gatherings qualify, at four or more for 208 days in all. Five is reached in five of them, for 45 days. For about 54 days two signs hold a stellium at the same time; never three.

Every Tropical Stellium, 2026 to 2028

Shaded rows reach four bodies or more. The fourth column says where the same hours fall in the Lahiri zodiac, explained further down. Gatherings up to 25 October 2026 are past; the 26 from 20 January 2027 onward are still ahead.

By calendar year the crowding is uneven: 186 stellium days in 2026, 187 in 2027 and 233 in 2028, with four or more bodies together for 74, 27 and 107 days. The next four-body stretch begins on 9 April 2027, inside the Aries gathering of 21 March to 15 May 2027.

The Aries, Aquarius and Pisces Stelliums of 2026

The tropical Aquarius stellium ran from 20 January to 18 February 2026. It began with Sun, Venus and Pluto, and from 23 January to 7 February 2026 held five: Sun, Mercury, Venus, Mars and Pluto. The tropical Aries one followed, from 6 March to 19 May 2026, about 10 weeks. Saturn and Neptune sat in Aries throughout, and the faster bodies passed through them; the peak, Sun, Mercury, Mars, Saturn and Neptune, lasted from 15 to 20 April 2026.

“Pisces stellium 2026” has two different answers. In the tropical zodiac Pisces held Mercury, Venus and Saturn from 10 to 14 February 2026, then a separate gathering from 18 February to 20 March 2026 that peaked at Sun, Mercury, Venus and Mars. In the Lahiri zodiac the big Pisces gathering is the one tropical charts call Aries: from 2 March to 11 May 2026, peaking at Sun, Mercury, Mars, Saturn and Neptune. The sidereal Aries stellium of that spring was a different, brief affair, Sun, Mercury and Mars from 11 to 15 May 2026, with no tropical counterpart. A date heard for a “Pisces” or “Aries” stellium means little until the zodiac is known.

The Five-Body Peaks

• Aquarius, 23 January to 7 February 2026: Sun, Mercury, Venus, Mars and Pluto.
• Aries, 15 to 20 April 2026: Sun, Mercury, Mars, Saturn and Neptune.
• Aries, 20 April 2027, for only a few hours: Sun, Mercury, Venus, Saturn and Neptune.
• Aries, 31 March to 13 April 2028: Sun, Mercury, Mars, Saturn and Neptune.
• Gemini, 8 to 21 June 2028: Sun, Mercury, Venus, Mars and Uranus.

Three of the five fall in tropical Aries, where Saturn and Neptune make a standing pair that any three passing bodies turn into five. Every one holds the Sun and Mercury. The 2027 one will barely exist: Venus will reach Aries on 20 April 2027 only hours before the Sun leaves it. The longest is the Aquarius peak of 2026, with the Gemini peak of 8 to 21 June 2028 next. In the Lahiri zodiac three gatherings reach five, with the same members as their tropical twins: Capricorn in 2026, Pisces in 2026 and Taurus in 2028. The Aries peaks of 2027 and 2028 stop at four there, because their members straddle a Lahiri sign boundary.

Which Sign Gathers Most

In the tropical zodiac Aries holds a stellium for about 186 days of the three years, more than twice any sign below the top three. Gemini and Aquarius follow. The reason is the slow bodies. Over these years Neptune is in tropical Pisces and Aries, Uranus in Taurus and Gemini and Pluto in Aquarius, and from March 2026 every stellium row in Aries holds Neptune, every one in Gemini holds Uranus and every one in Aquarius holds Pluto. A sign that already holds one or two slow bodies needs only two or one of the fast ones to arrive. Sagittarius comes last, with one gathering of 3 days, yet every sign holds at least one stellium in each zodiac.

The single longest gathering is tropical Gemini from 1 May to 21 July 2028, about 12 weeks, ahead of Aries 2026 at about 10. In the Lahiri zodiac the longest is Taurus, 27 April to 12 July 2028, and the top three signs are Pisces, Taurus and Capricorn: the tropical leaders each moved back one sign.

The Same Sky in the Lahiri Zodiac

The Lahiri ayanamsa, the gap between the two zodiacs, is about 24.2° over these years (the ayanamsa page explains the value and what it moves). A planet in the first 24.2° of a tropical sign, about 81% of it, is in the previous sign in the Lahiri zodiac. To match the two lists, this page links a sidereal gathering to a tropical one when some stage of each overlaps the other in time and the two share at least two bodies; requiring only one shared body leaves the unmatched cases below unchanged.

Of the 38 tropical gatherings, 23 appear in the previous sign and nowhere else. Only three keep their sign (Cancer 2026, Gemini 2027 and Pisces 2028). Four split, starting in the previous sign and ending in the same one; tropical Aries 2028, for instance, is Pisces and Aries in turn. The remaining eight dissolve: in those hours their members stand in two neighbouring Lahiri signs and neither holds three of them. All eight are three-body gatherings, and together they last under a month. The traffic runs both ways: eight sidereal gatherings, all of three bodies, have no tropical match, because the bodies line up inside one Lahiri sign while straddling a tropical boundary. The Lahiri list has 33 gatherings, ten of them reaching four, against 38 and ten in the tropical one; the totals of stellium days barely move, 605 against 606.

The site’s jyotish page on the same theme, trigrahi and chaturgrahi yog 2026-2028, counts only the six visible grahas from the Sun to Saturn in the Lahiri zodiac, so its list is shorter: Uranus, Neptune and Pluto have no place in the graha scheme, as the Harshal, Varun and Yam page sets out.

How Often the Sun Is in the Group

Counted hour by hour, the Sun is in 73% of tropical stellium hours (75% in the Lahiri list) and Mercury in 74%, slightly more often. Venus follows at 58% and Mars at 45%; Jupiter is the rarest member at 16%. Mercury and Venus orbit inside the Earth’s orbit, so seen from the Earth they never stray far from the Sun, and the three keep arriving in the same or neighbouring signs: in 71% of Mercury’s stellium hours the Sun is in the same group. When the Sun is absent, about 165 days in all, Mercury or Venus is still there in 91% of the hours, and both together in 52%. At least one slow body, Jupiter to Pluto, is present in 84% of stellium hours.

Can All the Planets Be in One Sign?

Not in these three years. The most bodies found in one sign at any hour from 2026 to 2028 is five of the nine in the tropical zodiac and five in the Lahiri one. A ceiling also follows from the slow three alone: Uranus, Neptune and Pluto never share a sign with one another at any point in the span, in either zodiac (in the Lahiri zodiac they stay in Taurus, Pisces and Capricorn), so no sign in these years could hold more than seven of the nine even in principle. The Uranus, Neptune and Pluto sign dates page gives their signs for each birth year; this page says nothing about years outside its own table.

What This Page Does Not Give

It lists when bodies share a sign and stops there. Searches for a stellium “meaning” or a stellium in a given house ask for a reading of the cluster, and an hourly count of positions has no way to test one, so none is offered for any sign, house or birth. Nor is there any advice on what to do during a gathering. For finer slices of a sign in the Western scheme, the zodiac decan dates page divides each into three.

In Brief

• Definition used: three or more of the nine bodies Sun to Pluto in one sign, Moon excluded; other writers set the bar at four or count the Moon
• Now: no tropical stellium on 28 October 2026; the next is Sun, Mercury and Pluto in Aquarius, 20 January to 1 February 2027
• Count: 38 tropical gatherings, ten reaching four, five reaching five; never six
• Busiest sign: tropical Aries, about 186 days; Lahiri Pisces, about 178
• Longest: tropical Gemini, 1 May to 21 July 2028
• Lahiri reading: 23 of 38 move back one sign, three stay put, four split, eight dissolve