American Bioregion Library

Official American Sub-Bioregion Hero Portals
Sub-Bioregional Portal I

Arctic & Subarctic Bioregion Library

Circumpolar tundra hydrology, sea-ice dynamics, sea-mammal hunting ethics, and the ancestral ecological knowledge of Inuit, Inupiat, and Yupik communities.
Sub-Bioregional Portal II

Boreal Forest Bioregion Library

Taiga woodland ecology, peatland carbon sinks, birch-bark canoe engineering, and the living heritage of Dene, Cree, and Innu peoples.
Sub-Bioregional Portal III

North Atlantic Coastal Bioregion Library

Estuarine fisheries, coastal salt marshes, hardwood agroforestry, and the governance of Haudenosaunee, Mi’kmaq, and Wampanoag nations.
Sub-Bioregional Portal IV

Pacific Coastal–Temperate Rainforest Library

Ancient cedar forestry, wild salmon stewardship, totem carving iconography, and the maritime culture of Haida, Tlingit, Coast Salish, and Nuu-chah-nulth nations.
Sub-Bioregional Portal V

Rocky–Sierra–Cordillera Mountain Library

High-altitude alpine ecology, headwater watershed conservation, cultural fire management, and the mountain traditions of Shoshone, Ute, and Salish communities.
Sub-Bioregional Portal VI

Mesoamerican Bioregion Library

Milpa companion agriculture, volcanic valley terracing, cenote karst hydrology, hieroglyphic writing, and the heritage of Maya, Nahua, Zapotec, and Mixtec peoples.
Sub-Bioregional Portal VII

Caribbean–Island Bioregion Library

Insular tropical marine biology, coral reef protection, hurricane resilience, cassava conuco farming, and Taíno and Kalinago ancestral heritage.
Sub-Bioregional Portal VIII

Northern Andes Bioregion Library

Páramo high-altitude wetland hydrology, cloud forest biodiversity, gold craftsmanship, and the heritage of Chibcha, Muisca, and Nasa communities.
Sub-Bioregional Portal IX

Amazon Basin Bioregion Library

The world’s largest tropical rainforest, riverine floodplain ecology, terra preta soil science, ethnobotanical medicine, and the stewardship of Yanomami, Kayapó, and Asháninka peoples.
Sub-Bioregional Portal X

Orinoco–Guiana Shield Bioregion Library

Tepui tabletop mountain ecosystems, Gran Sabana ecology, blackwater river systems, and the territory of Piaroa, Pemon, and Warao communities.
Sub-Bioregional Portal XI

Andean Highlands & Dry Valleys Library

High-altitude terrace agriculture (andenes), camelid pastoralism, water canal engineering, textile arts, and the knowledge of Quechua and Aymara societies.
Sub-Bioregional Portal XII

Chaco–Pantanal Bioregion Library

The world’s largest tropical wetland system, dry forest fauna, river pulse dynamics, and the knowledge of Guaraní, Nivaclé, and Ayoreo peoples.
Sub-Bioregional Portal XIII

Cerrado–Caatinga Bioregion Library

Central Brazilian savanna biodiversity, semi-arid thorny scrub biomes, water table recharge, and the territory of Xavante, Kraho, and Fulni-ô communities.
Sub-Bioregional Portal XIV

Atlantic Forest Bioregion Library

The biodiverse Mata Atlântica, coastal mountain streams, endemic flora restoration, and the heritage of Tupinambá and Guaraní Mbyá communities.
Sub-Bioregional Portal XV

Pampas–La Plata Bioregion Library

Temperate grassland soil science, Rio de la Plata estuarine hydrology, equestrian traditions, and the memory of Charrua, Het, and Rankülche communities.
Sub-Bioregional Portal XVI

Patagonian–Subantarctic Library

Wind-swept steppe dynamics, Fuegian archipelago canoeing, Valdivian temperate rainforests, and the stewardship of Mapuche, Selk’nam, Yaghan, and Kawésqar peoples.

African Bioregion Library

Official African Sub-Bioregion Hero Portals
Sub-Bioregional Portal I

Sahara & Oasis Desert Bioregion Library

Hyper-arid desert ecosystems, ancient oasis hydrology, subterranean foggaras, caravan routes, and the ecological wisdom of Tuareg and Berber communities.
Sub-Bioregional Portal II

Sahel Semi-Arid Transition Library

Semi-arid savanna belts, transhumance pastoral mobility, Great Green Wall anti-desertification, and customary land tenure of the Fulani and neighbors.
Sub-Bioregional Portal III

North African Mediterranean–Atlas Library

Mediterranean montane biomes, Atlas terraced agriculture, cork oak forests, coastal marine biology, and the heritage of Amazigh (Berber) societies.
Sub-Bioregional Portal IV

West African Savannah–Forest Mosaic Library

Sacred groves, agroforestry mosaics, Niger and Volta river basins, bronze and textile arts, and the worldviews of Yoruba, Dogon, and Akan peoples.
Sub-Bioregional Portal V

Central African Congo Rainforest Library

Earth’s second largest tropical rainforest, Congo Basin hydrology, canopy biodiversity, carbon science, and the forest knowledge of BaAka and Mbuti communities.
Sub-Bioregional Portal VI

East African Rift Valley–Highlands Library

The volcanic Great Rift Valley, montane forests, wildlife corridors, pastoralist cattle traditions, and the continuity of Maasai, Kikuyu, and Oromo societies.
Sub-Bioregional Portal VII

Horn of Africa Drylands & Highlands Library

The Ethiopian Massif, Simien biodiversity, endemic flora, frankincense dryland forestry, terraced agriculture, and the cultural archives of the Horn.
Sub-Bioregional Portal VIII

Southern African Savanna–Karoo–Cape Library

The Cape Floristic Region hotspot, fynbos botany, Namib and Kalahari adaptations, and the rock art and ethnobotany of San and Khoikhoi communities.
Sub-Bioregional Portal IX

African Great Lakes Basin Library

Lake Victoria, Tanganyika, and Malawi ecosystems, lacustrine fisheries, cichlid evolutionary science, and the traditions of Great Lakes societies.

Asian Bioregion Library

Official Asian Sub-Bioregion Hero Portals
Sub-Bioregional Portal I

Siberian Boreal & Arctic Tundra Library

Permafrost dynamics, northern taiga ecology, reindeer pastoralism, and the knowledge of Evenki, Nenets, Sakha, and Chukchi communities across subarctic Eurasia.
Sub-Bioregional Portal II

Central Asian Steppe & Desert Library

Vast grassland steppes, Gobi desert adaptations, nomadic horse culture, Silk Road oases, and pasture governance of Kazakh, Kyrgyz, and Mongolian herdsmen.
Sub-Bioregional Portal III

East Asian Temperate–Monsoon Library

Temperate broadleaf forests, monsoon river basins, Satoyama stewardship, rice-paddy agroecology, and the heritage of Ainu, Han, and Korean communities.
Sub-Bioregional Portal IV

Himalayan–Tibetan Highlands Library

The Tibetan Plateau (“Third Pole”), glacier hydrology, yak pastoralism, sacred mountain geography, and the science of Tibetan, Sherpa, and Ladakhi societies.
Sub-Bioregional Portal V

South Asian Monsoon Plains & Rivers Library

The Indus, Ganges, and Brahmaputra floodplains, monsoon agriculture, Sundarbans mangrove ecology, and the water-harvesting systems of South Asia.
Sub-Bioregional Portal VI

Southeast Asian Tropical Archipelago Library

Wallacea and Sundaland hotspots, equatorial canopy science, maritime voyaging, and the forest stewardship of Orang Asli, Dayak, Hmong, and Ifugao communities.
Sub-Bioregional Portal VII

Southwest Asian Arid–Oasis–River Library

The Tigris-Euphrates Fertile Crescent, ancient qanat canal engineering, date-palm oasis polyculture, and Near Eastern riverine agricultural heritage.
Sub-Bioregional Portal VIII

Arabian Peninsula Desert–Oasis Library

Rub’ al Khali hyper-arid ecology, Red Sea and Persian Gulf coral reefs, Bedouin nomadic navigation, and traditional frankincense dryland forestry.

European Bioregion Library

Official European Sub-Bioregion Hero Portals
Sub-Bioregional Portal I

Arctic–Nordic Europe Bioregion Library

Fennoscandian tundra ecosystems, boreal taiga dynamics, Arctic maritime navigation, and the reindeer herding knowledge of the Sámi across Sápmi.
Sub-Bioregional Portal II

Atlantic–Celtic Coast Bioregion Library

Coastal temperate rainforests, estuarine tidal hydrology, island agroforestry, fishing commons, and the oral traditions of Celtic and Atlantic communities.
Sub-Bioregional Portal III

Western European Interior Bioregion Library

Broadleaf deciduous woodland conservation, Rhine, Seine, and Loire river management, hedgerow ecology, and historical landscape architecture.
Sub-Bioregional Portal IV

Mediterranean Europe Bioregion Library

Evergreen sclerophyllous scrublands (maquis and garrigue), terraced olive and vine polyculture, and the wisdom of Basque, Iberian, Italic, and Hellenic cultures.
Sub-Bioregional Portal V

Alpine–Carpathian Mountain Spine Library

High-altitude alpine grasslands, glacial headwater hydrology, transhumance pastoralism, and the knowledge of Alpine and Carpathian mountain societies.
Sub-Bioregional Portal VI

Central European Green Heart Library

Mixed beech and oak forest ecosystems, Danube basin hydrology, traditional silviculture, and community-based watershed management.
Sub-Bioregional Portal VII

Northern Lowland–Baltic Bioregion Library

Coastal dune systems, post-glacial lacustrine wetlands, amber-bearing littoral zones, and the ancestral heritage of Baltic and Finno-Ugric peoples.
Sub-Bioregional Portal VIII

Eastern Forest–Steppe Bioregion Library

Chernozem black-soil science, forest-steppe biomes, Dnieper and Volga corridor protection, and Slavic oral epic and agricultural calendars.
Sub-Bioregional Portal IX

Balkan Mountain–Valley Bioregion Library

Dinaric Alps karst landscapes, subterranean hydrology, endemic Balkan flora, transhumance routes, and Southeastern European ethnobotanical traditions.
Sub-Bioregional Portal X

Black Sea–Caucasus Gateway Library

Caucasus biodiversity hotspots, Colchic temperate rainforests, ancient agrobiodiversity, and the linguistic and ecological heritage of Caucasian peoples.
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Maya Calendar Correlations and Cycles

Maya Library Free Download Astrology Report Nawal Nahual

Unpacking the Complexities of Maya Timekeeping

The Maya civilization’s intricate calendar system has long fascinated scholars and enthusiasts alike, with its precise measurements of time and its deep connections to the natural world. At its core, the Maya calendar is a sophisticated tool for tracking the cycles of nature, from the daily rhythms of the sun and moon to the annual patterns of the planets and the cycles of life and death.

One of the most striking aspects of the Maya calendar is its use of interlocking cycles, each with its own unique characteristics and significance. The most well-known of these cycles is the Tzolkin, a 260-day calendar that is still used today by some Maya communities. The Tzolkin is comprised of 13 days-signs, each associated with a specific animal, plant, or natural phenomenon, and is used to track the cycles of fertility, growth, and decay.

Day-Signs and Their Meanings

The 13 day-signs of the Tzolkin are deeply connected to the natural world, and each has its own unique symbolism and significance. Here are some of the most commonly recognized day-signs, along with their corresponding animals, plants, and natural phenomena:

  • 1. Imix (Water Snake): associated with water, fertility, and new beginnings
  • 2. Iq (Wind): associated with air, intellect, and communication
  • 3. Aq’ab (Crocodile): associated with earth, stability, and protection
  • 4. Kan (Snake): associated with rebirth, renewal, and spiritual growth
  • 5. Chuen (Jaguar): associated with power, strength, and courage
  • 6. Cimi (Death): associated with mortality, transformation, and spiritual rebirth
  • 7. Manik (Dog): associated with loyalty, fidelity, and protection
  • 8. Lamat (Hummingbird): associated with beauty, joy, and creativity
  • 9. Muluc (Water): associated with abundance, fertility, and spiritual growth
  • 10. Oc (Eagle): associated with vision, insight, and spiritual guidance
  • 11. Chuen (Jaguar): associated with power, strength, and courage
  • 12. Eb (Monkey): associated with agility, adaptability, and playfulness
  • 13. Ben (Quail): associated with new beginnings, renewal, and spiritual growth

The Tzolkin and the Maya Nawal

The Tzolkin is closely tied to the Maya Nawal, a system of interlocking cycles that governs the flow of time in Maya society. The Maya Nawal is comprised of three main cycles: the Long Count, the Tzolkin, and the Haab.

Cycle Definition Duration
Long Count A system of counting time from a fixed starting point, with each cycle representing a multiple of 20 Baktuns (a Baktun is equivalent to 144,000 days) 20 Baktuns (144,000 days)
Tzolkin A 260-day cycle comprising 13 day-signs, used to track the cycles of fertility, growth, and decay 260 days
Haab A 365-day solar year, used to track the seasons and agricultural cycles 365 days

The Correlations Between the Maya Calendar and the Tzolkin

The Maya calendar and the Tzolkin are deeply connected, with each cycle influencing the other in complex and subtle ways. Here are some of the most striking correlations between the two:

Correlation Explanation
The Tzolkin and the Haab The Tzolkin cycle is used to track the cycles of fertility, growth, and decay, while the Haab cycle is used to track the seasons and agricultural cycles. The two cycles are closely tied, with each cycle influencing the other in complex and subtle ways.
The Long Count and the Tzolkin The Long Count cycle is used to track the passage of time over long periods, while the Tzolkin cycle is used to track the cycles of fertility, growth, and decay. The two cycles are often used together, with the Long Count cycle providing a broader perspective on the Tzolkin cycle.
The Tzolkin and the solar year The Tzolkin cycle is aligned with the solar year, with each cycle corresponding to a specific season and agricultural cycle. The two cycles are closely tied, with each cycle influencing the other in complex and subtle ways.

Frequently Asked Questions

Q: What is the Tzolkin calendar?

A. The Tzolkin calendar is a 260-day cycle comprising 13 day-signs, used to track the cycles of fertility, growth, and decay.

Q: How does the Tzolkin calendar relate to the Long Count calendar?

A. The Tzolkin calendar is often used in conjunction with the Long Count calendar, with the Tzolkin cycle providing a more detailed and nuanced understanding of time over shorter periods.

Q: What is the significance of the day-signs in the Tzolkin calendar?

A. The day-signs in the Tzolkin calendar are deeply connected to the natural world, and each has its own unique symbolism and significance. The day-signs are used to track the cycles of fertility, growth, and decay, and are often used in rituals and ceremonies to promote spiritual growth and well-being.

Explore More

For more information on the Maya calendar and the Tzolkin, visit the Mayan Library (mayanlibrary.org), where you can find a wealth of resources and information on these fascinating topics.

References & Further Reading

  • Instituto Nacional de Arqueología e Historia (INAH) — official homepage
  • UNESCO World Heritage — official homepage
  • Mesoweb — a leading source of Maya information and resources
  • FAMSI — a premier online resource for Maya research and scholarship
  • Smithsonian NMAI Living Maya Time — an online collection of Maya resources and information
  • Smithsonian — official homepage
  • Peabody Museum Harvard — a leading institution for Maya research and scholarship
  • Mayan Library
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    Every Symbol, Number, and Calendar — the full free, open archive. Jump to any page below.

    Maya Signs Maya Numbers Maya Calendar Nawal Day-Signs Free Reading Report Blog
    The 20 Day-Signs
    01 · Imix — Crocodile 02 · Ikʼ — Wind 03 · Akʼbʼal — Night 04 · Kʼan — Maize 05 · Chikchan — Serpent 06 · Kimi — Death 07 · Manikʼ — Deer 08 · Lamat — Star 09 · Muluk — Water 10 · Ok — Dog 11 · Chuwen — Monkey 12 · Ebʼ — Road 13 · Bʼen — Reed 14 · Ix — Jaguar 15 · Men — Eagle 16 · Kibʼ — Waxing 17 · Kabʼan — Earth 18 · Etzʼnabʼ — Flint 19 · Kawak — Storm 20 · Ajaw — Sun
    The Numbers (0–20)
    0 · Mi 1 · Hun 2 · Ka’a 3 · Oox 4 · Kan 5 · Ho’ 6 · Wak 7 · Wuk 8 · Waxak 9 · Bolon 10 · Lajun 11 · Buluk 12 · Lajka’a 13 · Oxlajun 14 · Kanlajun 15 · Ho’lajun 16 · Waklajun 17 · Wuklajun 18 · Waxaklajun 19 · Bolonlajun 20 · Jun Kal
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    Tzolk’in — 260-day Sacred Round Haab’ — 365-day Solar Year Long Count — Cosmic Time How to Calculate Your Nahual The Mayan Numbers Library All Numbers — Meanings Report Meaning of the Nawal Day-Signs Get Your Free Reading
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