One billion charts · ten thousand years · one sweep

Hall of Impossible Skies

Every five-minute sky from 3001 BCE to 7000 CE, scored by the Rising Seer rarity engine. These are the ones the numbers say should not exist — rendered exactly as the engine sees them.

1,052,003,520charts swept
10,000years of sky
5 minsampling step
8pattern types scored

The crown

The weirdest sky in ten thousand years

May 9, 1977 · ~09:00 UT — one five-minute mark carrying seven distinct pattern types at once. It is not just first: all 25 top slots on the leaderboard are this same event, sampled every five minutes as it held for roughly two hours. It sits within living memory — you can look up who was born that morning.

The weirdest sky in 10,000 years, May 9 1977
T-Squares7
Grand Trines3
Grand Crosses2
Yods2
Kites10
Mystic Rectangles5
Grand Sextiles2

How “weirdest” is scored: the incidences of all eight pattern counts are multiplied together; the lowest product wins. The patterns are correlated, so the raw product (~1 in 1018) is a weirdness index, not a probability — but as a ranking of “which sky has the most going on,” it is exactly right.

The record holders

The most of each figure, ever

The single most extreme sky for each pattern across all 1.05 billion charts. Pick a view to isolate each figure — every instance gets its own color.

Grand Trines record

22 grand trines

Dec 10, 2682 CE · 01:15 UT · JD 2700983.5520833335

1 in 4,534,498 charts carries this count

Nine of ten planets stacked into the three fire signs, 120 degrees apart. Grand trines multiply as the product of the cluster sizes, so nine planets in three tight same-element groups detonate into dozens of overlapping triangles. A sky of almost cartoonish flow.

22 grand trines

T-Squares record

36 T-squares

Dec 24, 3539 CE · 23:10 UT · JD 3014010.465277778

1 in 4,329,233 charts carries this count

The highest raw pattern count of any figure across the whole sweep. A T-square only needs three planets in a loose right-angle arrangement, so when the wheel locks into the right grid, the combinations explode.

36 T-squares

Grand Crosses record

16 grand crosses

May 26, 4435 CE · 13:30 UT · JD 3341056.0625

1 in 993,393 charts carries this count

Four planets boxed in mutual tension, sixteen ways over. Every arm squared, every axis opposed.

16 grand crosses

Kites record

9 kites

Feb 15, 974 CE · 13:05 UT · JD 2076852.045138889

1 in 263,000,880 charts carries this count

The rarest single feat on the board. A kite is a grand trine that grew a spine — an opposition through one vertex, tethered by two sextiles. Nine at once is an order of magnitude rarer than anything else here.

The sweep credited 9; the runtime engine finds 13 today. See the data-integrity note below.

9 kites

Grand Sextiles record

4 grand sextiles

Oct 5, 2010 BCE · 18:05 UT · JD 987565.2534722222

1 in 2,522,790 charts carries this count

The Star of David — two interlocking grand trines braided by six sextiles. The rarest classical figure of them all, and this sky held four of them before the pyramids at Giza were a thousand years old.

4 grand sextiles

Yods record

15 yods

Aug 11, 5008 CE · 02:15 UT · JD 3550416.59375

1 in 3,925,386 charts carries this count

Fifteen fingers of fate at once. A yod aims two quincunxes at a single apex planet like a compass needle — this sky pointed fifteen of them.

15 yods

Mystic Rectangles record

8 mystic rectangles

Jan 16, 452 CE · 03:20 UT · JD 1886164.638888889

1 in 5,033,510 charts carries this count

Opposition and harmony locked in one figure: two oppositions crossing as diagonals, framed by trines and sextiles. Eight of them, five centuries after Rome fell.

8 mystic rectangles

Grand Quintiles record

4 grand quintiles

Dec 15, 3093 CE · 17:50 UT · JD 2851104.2430555555

1 in 3,784,185 charts carries this count

The golden-ratio pentagon — five planets spaced 72 degrees apart, the figure astrologers associate with pattern-genius. Four at once, seven centuries per corner.

4 grand quintiles

The leaderboard

Weirdest skies, one per year

The top of the weirdness index after collapsing the 1977 monopoly to one entry per calendar year. Lower score = weirder sky.

Date (UT)ScorePatterns at that instant
May 9, 1977 CE 09:00 UT-41.493 grand trine · 7 T-square · 2 yod · 2 grand cross · 2 kite · 2 mystic rectangle · 2 grand sextile
Aug 24, 2107 BCE 00:50 UT-39.253 grand trine · 7 T-square · 4 yod · 2 grand cross · 1 kite · 1 mystic rectangle · 1 grand sextile
Jun 11, 2479 CE 02:25 UT-38.733 grand trine · 4 T-square · 1 yod · 1 grand cross · 1 kite · 3 mystic rectangle · 2 grand sextile
Nov 20, 2199 CE 03:10 UT-37.384 grand trine · 8 T-square · 2 kite · 3 mystic rectangle · 2 grand sextile
Jul 29, 2013 CE 10:50 UT-37.243 grand trine · 4 T-square · 1 yod · 2 kite · 4 mystic rectangle · 2 grand sextile
Oct 5, 2010 BCE 18:05 UT-35.994 grand trine · 2 kite · 3 mystic rectangle · 4 grand sextile
Jan 31, 4651 CE 09:25 UT-33.865 grand trine · 3 kite · 2 mystic rectangle · 2 grand sextile
Jun 14, 2251 CE 11:05 UT-33.594 grand trine · 1 T-square · 1 yod · 3 kite · 2 mystic rectangle · 1 grand sextile
May 7, 6426 CE 10:45 UT-33.564 grand trine · 2 T-square · 2 kite · 3 mystic rectangle · 2 grand sextile
Dec 1, 3852 CE 01:25 UT-33.172 grand trine · 6 T-square · 1 yod · 1 grand cross · 1 kite · 1 mystic rectangle · 1 grand sextile
Dec 16, 6622 CE 00:30 UT-32.923 grand trine · 2 T-square · 2 kite · 3 mystic rectangle · 2 grand sextile
Jan 3, 2512 BCE 23:25 UT-32.724 grand trine · 3 T-square · 1 yod · 1 kite · 2 mystic rectangle · 2 grand sextile
Jul 11, 1611 BCE 06:45 UT-32.634 grand trine · 5 mystic rectangle · 3 grand sextile
Mar 24, 2693 BCE 23:05 UT-32.565 grand trine · 2 T-square · 4 kite · 3 grand sextile
Nov 2, 5321 CE 07:00 UT-32.323 grand trine · 4 T-square · 1 grand cross · 1 kite · 1 mystic rectangle · 2 grand sextile
Aug 18, 2603 BCE 03:20 UT-32.296 grand trine · 6 kite · 5 mystic rectangle
Dec 24, 3539 CE 17:55 UT-32.1133 T-square · 14 grand cross
Dec 7, 5881 CE 11:00 UT-31.554 grand trine · 2 T-square · 3 kite · 1 mystic rectangle · 2 grand sextile
Jan 31, 551 BCE 12:50 UT-31.373 grand trine · 6 T-square · 3 yod · 1 grand cross · 2 kite · 2 mystic rectangle
May 16, 4333 CE 17:00 UT-31.275 grand trine · 2 T-square · 2 yod · 1 kite · 1 mystic rectangle · 1 grand sextile
Jan 20, 3297 CE 01:25 UT-31.104 grand trine · 2 T-square · 2 kite · 2 mystic rectangle · 2 grand sextile
Aug 9, 369 CE 13:20 UT-30.985 grand trine · 1 kite · 3 mystic rectangle · 1 grand sextile
Jul 16, 4697 CE 10:05 UT-30.9234 T-square · 13 grand cross
Jul 6, 2748 CE 03:00 UT-30.923 grand trine · 2 T-square · 1 yod · 2 kite · 1 mystic rectangle · 2 grand sextile
Dec 29, 1002 BCE 06:25 UT-30.763 grand trine · 1 T-square · 1 yod · 2 kite · 2 mystic rectangle · 1 grand sextile
Jun 25, 6101 CE 10:00 UT-30.563 grand trine · 1 T-square · 1 yod · 2 kite · 1 mystic rectangle · 2 grand sextile
Nov 27, 1407 BCE 10:10 UT-30.533 grand trine · 3 T-square · 1 yod · 1 kite · 2 mystic rectangle · 1 grand sextile
Oct 2, 5291 CE 10:00 UT-30.411 grand trine · 8 T-square · 6 yod · 2 grand cross · 1 kite · 1 mystic rectangle
Mar 22, 1316 BCE 18:10 UT-30.292 grand trine · 5 T-square · 1 grand cross · 1 kite · 1 mystic rectangle · 1 grand sextile
Oct 26, 2505 BCE 14:10 UT-30.2429 T-square · 11 grand cross

Method & provenance

Positions from the full Swiss Ephemeris (Moshier-free, verified to ~0.01″ at J2000), swept at 5-minute steps across 3001 BCE – 7000 CE. Aspects and patterns use the production engine’s locked B-lumonly orb policy — the same code path every Rising Seer chart runs. These skies have no birth location, so charts are rendered angle-free: no houses, no Ascendant, Aries anchored at nine o’clock. Wheels are drawn by the production chart renderer — what you see is exactly what the app draws.

Data integrity: the sweep’s kite and mystic-rectangle counters check one fixed planet-role assignment per subset and undercount both figures. Exhaustive re-matching over the same engine aspects shows the May 1977 sky truly holds 10 kites and 5 mystic rectangles (sweep credited 2 of each), and the 974 CE “9-kite” sky truly holds 13 — the 2010 BCE hexagram even reaches 16, so the corrected kite record may belong to a different sky entirely. The fix is tracked as SEER-1075 and moves counts only upward: every sky in this hall is at least as impossible as stated.

Dates are UT, proleptic Gregorian. Julian Day numbers are the unambiguous anchor.