Skip to content

You are here:

NEO Library ·

Ask the librarian

A real librarian answers. AI desk by SESY.AI coming soon.

Ways to explore

    The NEO Library network

      Mexican Library: Open Public & Free Cultural Archive

      Mexican Culture: peoples and great sites
      Mexico Bioregion AtlasMexican Culture Atlas
      Choose a layer:
      Open MapCartography by Joséf Sánchez · 2026

      Mexico in brief

      The Mexican Bioregional Library covers the United Mexican States: about 1,964,375 square kilometres.

      The Mexican Bioregional Library covers the United Mexican States: about 1,964,375 square kilometres (196,437,500 hectares / 485,400,000 acres) between the Pacific Ocean, the Gulf of Mexico and the Caribbean Sea, with about 11,122 kilometres of mainland coastline. It is the thirteenth largest country on Earth and one of the most biodiverse (area and coastline from INEGI).

      NEO Almanac · The Mexican Library

      • Area1,964,375 km²The 13th largest country on Earth
      • Population126 millionCensus 2020 (INEGI)
      • Original peoples6823.2 million people identify with one (2020)
      • Languages364Variants of 68 original languages (INALI)
      • Biodiversity≈ 10%Of the world's known species
      • Time260 · 365Tonalpohualli and Xiuhpohualli

      Sources: INEGI (Censo 2020; Marco Geoestadístico), INALI, CONABIO, UNESCO, Britannica. All references

      Area
      1,964,375 km² · 196.4 million ha · 485.4 million acres
      Coastline
      ≈ 11,122 km on the Pacific, the Gulf of Mexico and the Caribbean
      Territory
      32 federal entities
      Population
      126,014,024 (census 2020)
      Original peoples
      68 Indigenous peoples; 23.2 million people self-identify as Indigenous and 7.36 million speak an Indigenous language (2020)
      Languages
      68 Indigenous languages with 364 variants, and Spanish
      Afro-Mexicans
      About 2.58 million people (2020)
      Biodiversity
      One of the 17 megadiverse countries, with about 10% of the world's known species
      Time
      Tonalpohualli (260 days), Xiuhpohualli (365 days) and the 52-year Xiuhmolpilli
      Economy
      Manufacturing and exports, agriculture (maize, avocado, agave), tourism, mining
      Arts
      Murals, Talavera, Otomí embroidery, mariachi and the Day of the Dead (UNESCO)
      Symbols
      The eagle on a nopal devouring a serpent, maize, cempasúchil, the 20 day-signs

      Mexican Nature Neo Library

      Plants, animals, medicinal herbs, biodiversity, ecosystems, water, agriculture and traditional ecological knowledge.

      Monarch butterfly, Danaus plexippus

      Animals

      • Monarch butterflyDanaus plexippusWinters in Michoacán
      • AxolotlAmbystoma mexicanumCritically endangered (IUCN)
      • VaquitaPhocoena sinusCritically endangered (IUCN)
      • JaguarPanthera oncaNear threatened (IUCN)
      • Mexican wolfCanis lupus baileyiEndangered in Mexico (NOM-059)
      • Golden eagleAquila chrysaetosThe eagle of the national emblem
      • Gray whaleEschrichtius robustusCalves in Baja California
      • XoloitzcuintleCanis lupus familiarisThe ancient dog of Mictlan
      Agave field in Jalisco

      Plants

      • MaizeZea maysDomesticated in Mexico about 9,000 years ago
      • Agave (maguey)Agave spp.Source of pulque, mezcal and fibre
      • NopalOpuntia ficus-indicaThe cactus of the national emblem
      • CacaoTheobroma cacaoChocolate, from Nahuatl xocolatl
      • ChiliCapsicum annuumGrown for thousands of years
      • VanillaVanilla planifoliaOrchid first used by the Totonac
      • AhuehueteTaxodium mucronatumThe national tree
      • CempasúchilTagetes erectaThe flower of the Day of the Dead
      Cempasúchil, Tagetes erecta

      Remedies

      • Mexican arnicaHeterotheca inuloidesTraditionally used on bruises
      • EpazoteDysphania ambrosioidesTraditionally used for digestion
      • MuicleJusticia spicigeraTraditionally used as a tonic tea
      • NopalOpuntia ficus-indicaValued as a food for the body's balance
      • GordoloboGnaphalium spp.Traditionally used as a tea for coughs
      • CempasúchilTagetes erectaTraditionally used as a tea for the stomach

      Library of Nature

      Traditional knowledge of living communities, shared for culture and study. It is not medical advice.

      Mexican Library of Nature

      Mexican Culture Neo Library

      Original peoples, languages, history, traditions, literature, arts, music, architecture and cultural heritage.

      Pyramid of the Sun, Teotihuacan

      Sixty-eight original peoples

      1. Nahua
      2. Maya
      3. Mixtec (Ñuu Savi)
      4. Zapotec (Binnizá)
      5. Otomí (Hñähñu)
      6. Tseltal and Tsotsil
      7. Totonac
      8. Purépecha
      9. Rarámuri
      10. Wixárika

      Pyramid of the Sun, Teotihuacan

      The sign of a day in the Tonalpohualli

      Choose a date

      Pick any date to see its day-sign and number.

      See all twenty day-signs

      Mexican Codices & Books

      Written in beautiful pictographic imagery on deerskin, amate paper, and European paper, the codices hold the ancient calendars, gods, migrations, tributes, and genealogies of Mesoamerica.

      Mexican Science Neo Library

      Mathematics, astronomy, calendars, technology, inventions, research and social and economic indicators.

      Mexican Calendar · Two wheels, one sun

      The brilliant celestial logic shared across Mesoamerica: interlocking counts of destinies and seasons.

      260 daysTonalpohualli
      The sacred round of 20 day-signs and 13 numbers: the count of your Tonalli.
      365 daysXiuhpohualli
      The solar year of 18 months of 20 days, plus the 5 days of nemontemi.
      52 yearsXiuhmolpilli
      The binding of the years, renewed with the magnificent New Fire ceremony.
      StoneThe Sun Stone
      The great Mexica monolith with the 20 day-signs carved eternally around the face of the Fifth Sun.

      Two interlocking wheels: the 13 numbers and the 20 day-signs of the Tonalpohualli1234567891011121313numbersCipactliEhécatlCalliCuetzpalinCóatlMiquiztliMázatlTochtliAtlItzcuintliOzomatliMalinalliÁcatlOcélotlCuauhtliCozcacuauhtliOllinTécpatlQuiáhuitlXóchitl20day-signs
      Plate IV.The thirteen numbers and the twenty signs turn together and meet again every 260 days. The wheels show the date chosen above.

      Learn more about the Mexican calendarBack to top

      Mexican Signs · The twenty day-signs

      From Cipactli to Xóchitl, read in four groups of five. Each group belongs to a direction of the world and is ruled by a patron force.

      Plate II.The Tonalpohualli day-signs by direction.Nahua symbols.

      No day-sign matches that search.

      Learn more about the day-signsBack to top

      Mexican Numbers · Counting in twenties

      A dot is one, a bar is five and a shell is zero. With three signs Mesoamerica wrote every number, and used zero centuries before Europe. Here, from Ce to Cempoalli in Nahuatl.

      Plate III.Mesoamerican numerals from 0 to 20 with their Nahuatl names.Drawn for NEO Library.

      Learn more about Mesoamerican numbersBack to top

      Mexican Art Neo Library

      Sculpture, murals, featherwork, ceramics, textiles, painting and music, from the Olmec to today.

      Mexican Art

      Masthead

      The Mexican Library is a flagship library of NEO Library, the new library for the new civilization.

      Librarian
      Joséf Sánchez Coach

      Librarian (UNAM), author of the library and of NEO MAP.

      The network
      NEO Library

      Open knowledge for everyone, across the globe.

      The method
      The UNAM thesis

      Library science from the thesis of Sánchez González, José Fernando.

      Technology
      SESY.AI

      Built and hosted with SESY.AI, Semantic Systems & AI.

      Keep the library free

      Open maps and an open archive are sustained entirely by readers. Every contribution keeps this knowledge free for everyone.

      Contributions go to Joséf Sánchez, individual (persona física) registered in Mexico; they are not tax-deductible.

      Universal Neo Tools

      Glossary

      The key terms of this library, defined in plain words.

      Tonalpohualli
      The count of days: 260 days made of 20 day-signs and 13 numbers.
      Xiuhpohualli
      The count of the year: 18 months of 20 days plus 5 days.
      Nemontemi
      The five closing days of the xiuhpohualli.
      Xiuhmolpilli
      The binding of the years: the 52-year cycle.
      Nahual
      The day-sign and animal companion of a person.
      Tonalli
      The heat and destiny given to a person by the day of birth.
      Tlacuilo
      The painter-scribe who wrote the codices.
      Amoxtli
      A codex: a book painted on bark paper or deerskin.
      Altepetl
      A city-state: the people and their land.
      Mictlan
      The land of the dead, reached through nine levels.
      Ometeotl
      The dual creator, lord and lady of duality.
      Calmecac
      The school of priests and nobles.
      Milpa
      The field of maize, beans and squash grown together.
      Temazcal
      A steam bath used for healing and ceremony.
      Pueblo originario
      An Indigenous people with its own language and territory.

      References and sources

      Official and academic sources behind the figures and facts of this library.

      1. INEGI · Censo de Población y Vivienda 2020 (opens in a new tab)
      2. INALI · Catálogo de las Lenguas Indígenas Nacionales (opens in a new tab)
      3. INPI · Instituto Nacional de los Pueblos Indígenas (opens in a new tab)
      4. CONABIO · Biodiversidad Mexicana (opens in a new tab)
      5. Instituto Nacional de Antropología e Historia (INAH) (opens in a new tab)
      6. UNESCO World Heritage Centre · Mexico (opens in a new tab)
      7. Encyclopaedia Britannica · Mexico (opens in a new tab)
      8. Sánchez González, José Fernando · UNAM thesis (method of NEO Library) (opens in a new tab)
      Mexican LibraryToday: the count

      Free · prepared by hand

      Your free Mexican reading

      Mexican Library
      Privacy Overview

      This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.