The Geban Calendar

The Planet

Geba is a brown dwarf world, a sub-stellar body that accumulated enough mass to initiate core compression but never reached the threshold for sustained hydrogen fusion. Its radius of 88,971 km places it far beyond the scale of any rocky planet, yet it supports a solid surface, a breathable atmosphere, liquid oceans, and a biosphere of extreme diversity across eleven continents. This is not a natural outcome. The conditions required for habitability on a body of this classification were engineered by the Velcrith over an unknown preparatory period before any biological intervention began. Eira Vey's The Parent Preceded The Children traces the planet's transformation from a cooling sub-stellar remnant to a world shaped by deliberate cosmic intervention.

Gravity

An unmodified brown dwarf of Geba's radius would possess a mass producing surface gravity dozens of times beyond what terrestrial biology can survive. The Velcrith restructured Geba's interior over an unknown duration before any surface preparation began. The process involved the progressive conversion of the dense, degenerate core material into a differentiated layered interior, redistributing mass from the compressed center outward into a series of graduated density shells. This reduced the concentration of mass at the core without reducing the planet's total volume, lowering the gravitational acceleration experienced at the surface. The bulk density of the restructured Geba is far lower than that of a standard brown dwarf of equivalent radius. The planet retained its size but shed the mass-density ratio that would have made its gravity lethal.

The three Child stars orbit Geba in a stabilized braid configuration, and their gravitational influence is not incidental to habitability. The combined tidal forces of three stellar-mass bodies in close orbit exert a persistent outward pull on Geba's upper layers, partially counteracting surface gravity in a pattern that shifts with their orbital positions. This tidal counterbalance does not eliminate gravity. It reduces the net downward force experienced at the surface by a meaningful margin, and it does so unevenly. Surface gravity on Geba is not uniform. It fluctuates regionally depending on the current alignment of the Children, the local thickness of the crust, and the density of the mantle layers beneath. Coastal and low-elevation regions experience slightly lower effective gravity than deep continental interiors, and the difference is measurable.

The result is a surface gravity that is elevated compared to what a smaller rocky world would produce, but survivable. Life on Geba evolved under this constant gravitational stress. All populations exhibit denser bone structure, thicker muscle fiber, and more efficient cardiovascular systems compared to what a lower-gravity environment would require. Groups adapted to the most extreme conditions, such as the Ngorrhali of the stratospheric passes, represent the far end of this adaptation. The gravity is engineered to be survivable, variable, and sustained by an orbital system that was deliberately placed to make it so.

The Three Stars

Geba's immense scale means that different regions of the same continent can experience the stars entirely differently. Climate is determined not by continental position alone but by placement on a sphere so vast that orbital geometry creates extreme regional variation.

There is no global day-night cycle. Illumination varies by region, determined by position relative to all three orbital paths. The imperial day is standardized by Izhara's position over the capital on Geba continent, but this is administrative convenience, not planetary reality.

Regional Light

The Desert East

Inland Thazvaar lies within Izhara's direct orbital path. White-blue light strikes at steep angles for extended periods of the 32-hour cycle. When Zhaerys aligns overhead during its slow orbit, the compounded illumination creates the most extreme surface temperatures on the inhabited planet. The desert is not a product of distance from water but of sustained stellar exposure across a landmass larger than ancient Earth's entire surface.

The Frozen West

Ngorrhal sits angled away from Izhara's primary path, receiving glancing light during the day cycle and extended periods of shadow. It is also far enough north that Saethern provides little warmth, hanging low on the southern horizon or disappearing entirely depending on season and precise location. Ngorrhal exists in the gap between light sources. The Frost Sentinels adapted to this over millennia.

The Silver South

Saethera lies directly beneath Saethern's fixed position. The silver light never sets. Full darkness never arrives. Temperature holds constant between 10-25°C. Bioluminescent fungal forests and vast moss oceans dominate the lowlands, thriving in perpetual twilight. Light-reactive flora and aggressive fauna devour outposts and repel settlement. Only Scout-Class Engineered, accompanied by Assault-Class companions, form small self-sustaining communities here. A few imperial outposts cling to the northern coast. Saethera remains untamed.

The Temperate Center

Geba continent, the imperial heartland, occupies a position that receives moderate Izhara exposure and partial Saethern visibility depending on season. Neither frozen nor scorched, it became the administrative center of the empire in part because its climate permitted the largest stable population density. The 32-hour day and the calendar itself are measured from here.

The Uncharted

The far side of the planet. Larger than all other continents combined. What light conditions exist there, whether the orbital geometries create zones of total darkness, perpetual illumination, or something else entirely, remains unknown. All navigation systems fail when approaching. The few who have glimpsed its coastal edges and returned report temperature swings from -90°C to 120°C within hours. Imperial doctrine forbids entry.

The Day

The imperial day consists of 32 hours, measured by Izhara's position over the capital on Geba continent. This standardization allows administrative coordination across the empire, though local experience of light and darkness varies enormously by region. A citizen in Ngorrhal and a citizen in Inland Thazvaar may both record the same hour, but one stands in dim cold while the other endures searing brightness.

Hours are not formally subdivided for civilian use. Common speech references "early in the hour," "mid-hour," and "late hour." Military and scientific contexts employ precise measurements, but these systems are not standardized across institutions.

The Year

The Geban year consists of 520 days divided into 16 months. Odd-numbered months contain 33 days; even-numbered months contain 32 days. The year begins with the Izhara-Zhaerys eclipse, when the two stars' differing orbital planes briefly align as seen from the capital.

There are no weeks. Days are numbered within months.

Year Notation

The Geban Calendar was formalized by Ayitha Solarn during the Era of Early Stagnation. The Solarn family was already well established by this point, but Ayitha's work diverged from the relay engineering that defined the rest of her lineage. While her family focused on making relays stronger, faster, and more reproducible, Ayitha invented atmospheric sensors that utilized existing relay infrastructure to detect air pressure shifts and frequency changes across regions, giving populations in remote areas advance awareness of incoming weather conditions. The system she built was the first to use the relay network for environmental monitoring rather than communication or power distribution, and it became the direct precursor to later systems such as the Sentinel weather tracking system and the Saojuul weather pattern and disaster alert system. Her work required extensive travel across the planet to calibrate sensors against regional conditions, which gave her and other Solarns the first accurate representation of how the three Child stars moved relative to Geba and how their positions directly affected conditions from gravity to weather. The Geban Calendar was produced from this understanding and adopted as the global standard, with the only variables remaining uncertain being those of the Uncharted landmass and deep Inland Thazvaar, where relays have never been established long enough to record accurate data. Geban history is divided into three temporal categories relative to the establishment of this calendar.

Date Format

Standard date notation places day first, then month, then year with era suffix.