A Compass for the God-Silent Dark

When the Wild Gods withdrew after the Divine War, humanity was left without guidance. Temples emptied. The old Arcane Calendar—Atonia's 384-day year of 32-day months and eight-day weeks, elegant for tracking magical cycles—proved impractical for trade, and beneath the merchants' complaints lay a deeper hunger: a world that had lost its divine narrator needed new patterns, new meaning, new voices.

They looked up. And they remembered whispers of a child born blind who could see through stars.

Athea, Weaver of Stars, was born beneath a new moon with white-over eyes that would never open to ordinary light. Her mother carried her to a tidal cave where divine presence still lingered and offered everything she had. Something answered—a god no one on that coast could name—and the child came out of the water changed, her hair white as moonlight, her blindness opened to star essence. Through siren bone needles she reads the night sky, and she sees all three states of time at once: what was, what is, and what hungers to become.

In her thirtieth year a delegation of merchants, scholars and desperate souls came asking for a calendar that would serve both commerce and spirit—"something to fill the silence." She said yes. The Siren Bone Oracle: Almanac of Stars is the book she wove in answer, written thirty years into the Great Withdrawal: a practical calendar that keeps merchants' schedules, and three divination systems to guide humanity through godless times—the Blood and Bone Tarot, Arcadian Astrology, and daily horoscopes drawn through siren bone.

The daily horoscopes I write are not commands from heaven but weather reports for the soul. They tell you what energies are moving, what cosmic tides are turning, what stellar winds are blowing. You remain the captain of your vessel, but at least now you can see the storm coming. — Athea, The Birth of the Astronomer's Calendar

The Astronomer's Calendar

Athea named twelve months for twelve constellations—the Common Calendar that Arcadia still keeps. Its year runs 365 days: eleven reigns of thirty days each, and the Broken Chain, which refuses to be held to thirty, claims thirty-five, and drags the year out to meet the sun. February 29 exists as Arcadian Day 59.5, a leap day set inside the Lovers' reign in the Dark Moon—the only day in the calendar that is not always there, and the only one whose reading doubles and fractures at once.

Reign	Arcadian Month	Earth Dates	Element	Sky
The Awakener	Primaven	Jan 1 – Jan 30	Transformation	Unborn
The Lovers	Loriven	Jan 31 – Mar 1	Eternal Return	Burning
The Garden	Verdanis	Mar 2 – Mar 31	Paradise	Unborn
The Crown	Solmere	Apr 1 – Apr 30	Sovereignty	Unborn
The Guardians	Umbralux	May 1 – May 30	Protection	Unborn
The Wanderer	Wanderis	May 31 – Jun 29	Endless Journey	Burning
The Shepherd	Goldmere	Jun 30 – Jul 29	Guidance	Unborn
The Hunter	Thornmarch	Jul 30 – Aug 28	The Chase	Burning
The Storm	Stormend	Aug 29 – Sep 27	Necessary Destruction	Unborn
The Tower	Frostmere	Sep 28 – Oct 27	Isolation	Unborn
The Dragon	Drakonis	Oct 28 – Nov 26	Forbidden Knowledge	Burning
The Broken Chain	Veilmorn	Nov 27 – Dec 31 (35 days)	Liberation	Unborn

Four constellations already burn in Arcadia's sky, their myths crystallized in ancient starlight: the Lovers, testimony to Elodias and Senia's cursed devotion—two lights circling eternally, one remembering, one forgetting; the Wanderer, holding Thainos's thousand-year journey, his divine essence scattered like seeds across humanity; the Hunter, showing the Bloodmarked's tragic corruption writ large across heaven; and, most ancient of all, the Dragon, imprisoning something that predates even gods. Eight exist only as potential—stars that will form only when certain events come to pass, when destiny reaches moments that will force even withdrawn gods to watch. Two-thirds of the year belongs to prophecy rather than history.

The full calendar, its months and its history alongside the Arcane Calendar, are laid out in the World Guide's Calendars of Arcadia.

Finding Your Star Day

The Earth calendar you know is an echo of Arcadian time. Every soul born beneath Earth's sky carries three signs, and a fourth mark that names the doorway they came through. Woven together they make your Star Day—the fingerprint that marks your place in the pattern.

Find your Earth birthday in the conversion chart. Its row gives your Ruling Constellation—who you are.
Take your Moon Phase from the day of the month—how you feel underneath—and your House, the doorway you came through.
Find your Rising Sign. The hour of your birth names which region's sky was ascendant; your constellation's row meets that region's column in the Rising Shift Table—how you arrive.
Read them together. Constellation, moon and rising are three voices in one reading, not three readings. The house tells you which door they came through.

Twelve Houses

Fixed by the day of the month

The Threshold (days 1–2), the Foundation (3–5), the Messenger (6–7), the Sanctuary (8–10), the Crucible (11–12), the Ritual (13–15), the Eternal Dance (16–17), the Abyss (18–20), the Horizon (21–22), the Throne (23–25), the Community (26–27) and the Void Temple (28–30). The Broken Chain's five extra days extend the Void Temple.

Eight Moon Phases

The moon's secret calendar

The Hidden Seed of the New Moon (1–4), the Determined Heart of the Waxing Crescent (5–8), the Heart at War of the First Quarter (9–12), the Overflowing Cup of the Waxing Gibbous (13–17), the Illuminated Mirror of the Full Moon (18–21), the Wise Griever of the Waning Gibbous (22–25), the Integrated Shadow of the Last Quarter (26–28), the Void Touched of the Dark Moon (29–30).

Six Skies

The hour of birth

Six times in a day Arcadia's sky changes hands: the Crimson Tundra (00:00–03:59), the Azure Expanse (04:00–07:59), Solara (08:00–11:59), the Verdant Veil (12:00–15:59), Kavak (16:00–19:59) and the Godscarred Wastes (20:00–23:59). Your constellation and that sky together give your rising.

You are bound by The Lovers, rising as the Lovers, through the Eternal Dance during the Overflowing Cup. — a complete Star Day reading for someone born February 15th at 09:15

The Blood and Bone

The tarot came next, drawn from visions that left Athea weeping for days. Seventy-eight cards, each a doorway between fate and choice. Blood Cards represent the external forces beyond mortal control—the inevitable, the inherited, the cosmic forces that move through us like wind through wheat. Bone Cards represent what remains in our power—the choices we can still make, the will that persists even when heaven falls silent. Every card has one fixed nature; only The Dancing Circle is both.

Every one of the Almanac's daily readings draws a single card, marked BLOOD or BONE, and all seventy-eight appear at least once across the year. The full deck—the twenty-two Major Arcana and the four suits of Roots, Gales, Embers and Tides—has its own volume: The Siren Bone Oracle: Blood & Bone Tarot.

What's Inside

Front Matter

A dedication for those who just want to belong—somewhere, anywhere, even in the stars, and the Prologue, The Blind Seer's Warning: "You hold a dangerous thing."

Part One — Finding Your Star Day

A quick-start guide, the complete 365-day conversion chart, how the three signs and the house work together, the Broken Chain and leap-day special cases, and how to read your daily guidance.

Part Two — The Calendar and Its Powers

Athea's testament, The Birth of the Astronomer's Calendar; the Twelve Constellations; the Moon's Secret Calendar; the Twelve Houses; and the Rising Signs with the full Rising Shift Table.

Part Three — The Blood and Bone Cards

Why the deck divided itself into Blood and Bone, the twenty-two Major Arcana, and the fifty-six Minor Arcana across four suits.

Part Four — The Twelve Reigns

The heart of the book: 365 daily prophecies plus the leap-day reading. Each entry unfolds in five parts—Cosmic Weather, Universal Influence, the Card's Voice, Sacred Synergy—and closes on a Sacred Question: not a riddle to solve but a question to carry through the day.

Part Five & Back Matter

The Eternal Return—Athea's final words on why the calendar cycles and why the same prophecy reads differently every year—followed by quick-reference tables and About Athea, Weaver of Stars.

Do not read ahead hoping to change what comes. The future I see is not fixed, but reading it too early can trap you in trying to avoid it or achieve it. … Live your present days. Let tomorrow's prophecy wait for tomorrow's eyes. — Athea, The Blind Seer's Warning

The Siren Bone Oracle Series

The Almanac shares its world with Blood of the Wild Gods—The Silence, The Chosen Chronicles and the rest of the catalog. Places named in it are places in those books, and the constellations it names are the constellations that watch over them. Two companion volumes expand the systems it introduces.

Coming Soon

Blood & Bone Tarot

The complete guide to Athea's 78-card divination system—full card meanings, spreads, and the stories behind each card's creation.

Explore the Tarot → Coming Soon

Arcadian Astrology

All twelve constellations in depth, the twelve houses, eight moon phases, rising signs and compatibility—and why eight constellations remain unborn.

Study the Stars → Available Now

Blood of the Wild Gods: The Silence

Athea's prophecies about the Awakener constellation are fulfilled in The Silence—proof that divine absence only made mortal sight grow sharper.

Read About The Silence →