
Did the Aztec calendar have a practical or religious purpose?
The Aztec calendars had both practical and religious purposes. The 365-day calendar was used to track farming seasons, and the 260-day calendar was used by priests to predict events and determine lucky day 13. How did the Aztecs express themselves through poetry, music, dance, art, and language?
What do the symbols on the Aztec calendar mean?
The ancient civilizations of Mesoamerica developed complex calendar systems based on overlapping cycles of time. The Aztec Calendar Stone is a symbolic portrayal of the four disasters that led to the demise of the four prior Universes in Aztec cosmology. It also contains a hieroglyphic and pictographic layout of how the Aztecs measured time.
What type of calendars did the Aztecs use?
The Aztecs used two calendars. One calendar was used for tracking religious ceremonies and festivals. This calendar was called the tonalpohualli which means “day count”. It was sacred to the Aztecs and was very important as it divided time equally among the various gods and kept the universe in balance.
What is the purpose of the Aztec calendar?
Aztec Calendar Purpose. Since the Aztec calendar consisted of two calendar cycles, it had two main purposes. One was the calculation of ordinary days and years and had a 365-day calendar cycle. This particular calendar cycle is also known as the agricultural calendar since it was based on the sun.

What does Aztec calendar symbolize?
The tonalpohualli and Aztec cosmology The tonalpohualli, or day-count, has been called a sacred calendar because its main purpose is that of a divinatory tool. It divides the days and rituals between the gods. For the Aztec mind this is extremely important. Without it the world would soon come to an end.
How did they use the Aztec calendar?
Like the Mayan calendar, the Aztec calendar consisted of a ritual cycle of 260 days and a 365-day civil cycle. The ritual cycle, or tonalpohualli, contained two smaller cycles, an ordered sequence of 20 named days and a sequence of days numbered from 1 to 13.
What did the Aztec calendar emphasize?
The fact that the Aztec calendar, much like the calendar of the Maya, was based on repeating fifty-two year periods and usually took the shape of a circle or wheel has led many scholars to emphasize how the Aztecs perceived time as cyclical.
Why is the Aztec Calendar Stone important?
The Aztec Calendar Stone, became a very important national symbol during the Porfirio Diaz era. The Calendar Stone was used in the movement to unify the states of Mexico into a nation. The movement used the history and symbols of the indigenous people, particularly the Aztecs.
How accurate was the Aztec calendar?
It turns out that the Aztec calculation of an average 365.2420 days per year is actually closer to the real value of 365.2422 days than the old Julian value of 365.2500 days or even our current Gregorian value of 365.2425 days. The Sun Stone was hand-carved in the 52-year period from 1427 to 1479.
Who is the god in the Aztec calendar?
The so-called Aztec Calendar Stone was not a calendar, but most likely a ceremonial container or altar linked to the Aztec sun god, Tonatiuh, and festivities dedicated to him.
What did the Aztecs predict?
A new study on one of the most important remaining artifacts from the Aztec Empire, a 24-ton basalt calendar stone, interprets the stone's central image as the death of the sun god Tonatiuh during an eclipse, an event Aztecs believed would lead to a global apocalypse accompanied by earthquakes.
Why did the Aztecs have two calendars?
Aztec Calendar The Aztecs used two calendars. One calendar was used for tracking religious ceremonies and festivals. This calendar was called the tonalpohualli which means "day count". It was sacred to the Aztecs and was very important as it divided time equally among the various gods and kept the universe in balance.
What is the difference between the Mayan calendar and Aztec calendar?
The Aztecs called their 260-day cycle Tonalpohualli, while the Mayans called theirs Tzolkin. The 13 months were numbered from 1 to 13 instead of named. The 20 days in each month, however, had named corresponding to certain natural elements, animals, or cultural objects.
What is my Aztec calendar name?
the tonalpohualliThe Aztecs used a sacred calendar known as the tonalpohualli or “counting of the days.” This went back to great antiquity in Mesoamerica, perhaps to the Olmec civilization of the 1st millennium BCE. It formed a 260-day cycle, in all probability originally based on astronomical observations.
How is the Aztec calendar like ours?
The Aztec and the Gregorian calendars are similar because they both use the calendar to tell the day, month and year. However, the Aztecs had 20 days in a month and therefore there were 19 months in one year.
How does the Aztec Calendar Stone work?
It contains 18 months of 20 days each, plus five “unlucky” days when disasters were likely to happen. Circling the Sun Stone's center there's a band of the 20 symbols assigned to days. – The 260-day tonalpohualli describes each day in terms of the Aztec gods, so it's a sacred year.
What year is 2022 in Aztec calendar?
2022 would be 10 tochtli, 2023 – 11 acati, 2024 – 12 tecpati, 2025 – 13 calli.
Who invented the 365 day year?
The EgyptiansThe Egyptians were probably the first to adopt a mainly solar calendar. This so-called 'heliacal rising' always preceded the flood by a few days. Based on this knowledge, they devised a 365-day calendar that seems to have begun in 4236 B.C.E., the earliest recorded year in history.
What did the Aztecs predict?
A new study on one of the most important remaining artifacts from the Aztec Empire, a 24-ton basalt calendar stone, interprets the stone's central image as the death of the sun god Tonatiuh during an eclipse, an event Aztecs believed would lead to a global apocalypse accompanied by earthquakes.
How did the Aztecs use astronomy?
Just like the Chinese and western astrology, Aztecs also believed that the stars and constellations defined a person's character traits and fortune. For the star signs, they used the shorter calendar of 260 days. Each zodiac sign lasted 13 days, so there were 20 signs.
Where did the Aztec calendar come from?
The calendar of the Aztecs was derived from earlier calendars in the Valley of Mexico and was basically similar to that of the Maya. The ritual day cycle was called tonalpohualli and was formed, as was the Mayan Tzolkin, by the concurrence…. chronology: Aztec.
How many days were in the Aztec calendar?
Like the Mayan calendar, the Aztec calendar consisted of a ritual cycle of 260 days and a 365-day civil cycle. The ritual cycle, or tonalpohualli, contained two smaller cycles, an ordered sequence of 20 named days and a sequence of days numbered from 1 to 13.
What is the Aztec sun god's face?
The face of the Aztec sun god, Tonatiuh, appears at the centre of the stone, surrounded by four square panels honouring previous incarnations of the deity that represent the four previous ages of the world. Circumscribing these are signs that represent the 20 days of the Aztec month. Read More on This Topic.
Why is the 13 day cycle important?
The 13-day cycle was particularly important for religious observance, and each of the 20 numbered cycles within the ritual year was associated with a different deity. Similarly, each named day was associated with a unique deity, and scholars believe that the combinations of ruling deities were used for divination.
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What was the Aztec calendar?
Aztec Calendar. Aztecs used a sophisticated calendar system for the calculation of ordinary days and religious ceremonies. The Basic structure of Aztec calendar was also used by other ancient civilisations of Mesoamerica. The Aztecs added their own features to this calendar and adapted it to their own needs. This Aztec calendar had two parts: one ...
How often did the Aztec calendars coincide?
While both agricultural and religious calendars are more or less independent, they coincided after every 52 years. According to the Aztec beliefs, sacrifice needed to be offered to gods at the end of this 52-year cycle, in the absence of which a cataclysmic event could take place. The calendar system thus bore heavy religious influence, just like several other aspects of the Aztec culture.
What are the Aztec day signs?
Aztec Calendar Day Signs. On the Aztec calendar, different signs or images are used for the day counts which are also associated with one of the four cardinal directions. The day signs start with 1 cipactli meaning crocodile, with an actual image of the crocodile used to represent it. This image is associated with the east.
How many periods of 13 days are there in the Aztec calendar?
20 periods of 13 days were used to organise the total of 260 days on the sacred Aztec calendar. Each of these 13-day periods is known as trecenas. The calendar date of the first day of the 13 days in a specific trecena is used to name that trecena.
What was the first day of the Aztec calendar?
The accepted reconstruction of Aztec calendar is the one proposed by Rafael Tena which asserts that the first day of the Mexica year was February 13 of the old Julian calendar of February 23 of the Gregorian calendar. Various other aspects of the calendar have been varied using the same count.
How many days are in a trecena?
These 13-day weeks are often referred to as trecenas by scholars. Each of the twenty trecenas in the calendar had a specific deity associated with it.
Why is the agricultural calendar called the agricultural calendar?
This particular calendar cycle is also known as the agricultural calendar since it was based on the sun. The other calendar cycle was used to keep track of religious ceremonies and was thus considered a sacred calendar. This one had a 260-day ritual cycle. Both these calendars coincided after every 52 years had passed.
What is the Aztec calendar?
The Aztec or Mexica calendar is the calendrical system used by the Aztecs as well as other Pre-Columbian peoples of central Mexico. It is one of the Mesoamerican calendars, sharing the basic structure of calendars from throughout ancient Mesoamerica . The Aztec sun stone, also called the calendar stone, is on display at the National Museum ...
What is the 20 day period of the Aztec calendar?
Through Spanish usage, the 20-day period of the Aztec calendar has become commonly known as a veintena . Each 20-day period started on Cipactli (Crocodile) for which a festival was held. The eighteen veintena are listed below. The dates are from early eyewitnesses; each wrote what they saw.
What is the date of the first day of the year in Mexico?
His correlation argues that the first day of the Mexica year was February 13 of the old Julian calendar or February 23 of the current Gregorian calendar . Using the same count, it has been the date of the birth of Huitzilopochtli, the end of the year and a cycle or "Tie of the Years", and the New Fire Ceremony, day-sign 1 Tecpatl of the year 2 Acatl, corresponding to the date February 22. Another correlation by Ruben Ochoa uses pre-Columbian sources to reconstruct the calendar, using a method that fixes the year count to the vernal equinox and placing the first day of the year on the first day after the equinox.
How many days are in a year in Aztec?
Xiuhpōhualli is the Aztec year ( xihuitl) count ( pōhualli ). One year consists of 360 named days and 5 nameless ( nēmontēmi ). These 'extra' days are thought to be unlucky. The year was broken into 18 periods of twenty days each, sometimes compared to the Julian month.
How many days are in the tinalphualli?
Tōnalpōhualli. The tōnalpōhualli ("day count") consists of a cycle of 260 days, each day signified by a combination of a number from 1 to 13, and one of the twenty day signs.
What are the day signs in Mexico?
Day signs. The set of day signs used in central Mexico is identical to that used by Mixtecs, and to a lesser degree similar to those of other Mesoamerican calendars. Each of the day signs also bears an association with one of the four cardinal directions. There is some variation in the way the day signs were drawn or carved.
Why are the 52 years marked out on the Aztecs?
The Aztecs believed that they were in the Fifth Sun and like all of the suns before them they would also eventually perish due to their own imperfections. Every 52 years was marked out because they believed that 52 years was a life cycle and at the end of any given life cycle the gods could take away all that they have and destroy the world.
What is the Aztec calendar?
The Aztec calendar stone is a combination of a number of different symbols, with different meanings and it is also known as glyphs. The actual Calendar Stone was carved at the time of the reign of the sixth Aztec monarch in 1479. This Aztec calendar was dedicated to the deity Tonatiuh, or the Sun, whose face is placed in the middle of the calendar, which appears inside the glyph for “movement.”
What is the significance of the calendar stone?
The famous calendar stone is actually a brilliant combination of artistry and geometry. It reflects the Aztec understanding of the time, as well as space as wheels within wheels. The detailed surface of the stone also combines the understanding of the gods which the people had created over the centuries and their observations of the heavens.
Where is the calendar stone?
The calendar stone was uncovered in Mexico City in 1970, and it measures almost twelve feet in diameter and weighs some twenty-five tons. It was carved from basalt, which is solidified lava, this being an area where volcanoes were a common thing. But, after that, it was lost – buried under the central square of Mexico City, for more than 300 years.
What is the Aztec calendar?
The Aztec Calendar Stone, better known in the archaeological literature as the Aztec Sun Stone (Piedra del Sol in Spanish), is an enormous basalt disk covered with hieroglyphic carvings of calendar signs and other images referring to the Aztec creation myth.
Where was the Aztec calendar found?
If the Aztec Calendar Stone was not a calendar, what was it? Sun Stone or Aztec Calendar Stone, found in Tenochtitlan in 1789, Mexico, Azteca civilization, 15th century. Nicoletta Maestri holds a Ph.D. in Mesoamerican archaeology with fieldwork experience in Italy, the Near East, and throughout Mesoamerica.
What do the Aztec motifs represent?
They suggest that the motifs represent petroglyphic prayers or exhortations advertising the success of the Aztec armies, recitations of which might have been part of the ceremonies which took place on and around the Sun Stone.
What was the political message for those who saw the stone?
The political message for those who saw the stone was clear: this was an important year of rebirth for the Aztec empire, and the emperor's right to rule comes directly from the Sun God and is embedded with the sacred power of time, directionality, and sacrifice.
What is the meaning of the 260 day year?
This band contains the signs of the 20 days of the Aztec sacred calendar, called Tonalpohualli, which, combined with 13 numbers, made up the sacred 260-day year. A second outer ring has a set of boxes each containing five dots, representing the five-day Aztec week, as well as triangular signs probably representing sun rays.
What is the meaning of the Aztec sun stone?
Aztec Sun Stone Origins and Religious Meaning. The so-called Aztec Calendar Stone was not a calendar, but most likely a ceremonial container or altar linked to the Aztec sun god, Tonatiuh, and festivities dedicated to him. At its center is what is typically interpreted as the image of the god Tonatiuh, within the sign Ollin, ...
Where was the Aztec sun stone found?
Scholars surmise that the basalt was quarried somewhere in the southern basin of Mexico, at least 18-22 kilometers (10-12 miles) south of Tenochtitlan.
How many calendars did the Aztecs have?
For example, the Aztecs are considered to have had two main types of calendars. The first was a 365-day calendar that the Aztec referred to as xiuhpōhualli. This calendar was made up of eighteen months that each lasted for twenty days.
How many days were in the Aztec calendar?
This calendar consisted of days made up of thirteen different numbers and twenty different ‘signs’. Therefore, the calendar was twenty periods that were each thirteen days long.
What is the Aztec word for smoking mirror?
His name is translated as ‘smoking mirror’ in the Nahuatl language of the Aztec and he is often associated with several different concepts, including: the night sky, night winds, hurricanes, the north, jaguars, obsidian, and war. In Aztec tradition Tezcatlipoca was considered to be an opposite and rival to Quetzalcoatl .
What is the fifth month of Aztec calendar?
For example, the fifth month in the xiuhpōhualli calendar was called Toxcatl and had a Toxcatl Festival, which the Aztec celebrated every year. This month occurred every 5th to the 22nd of May and the associated festival was in celebration of the god Tezcatlipoca .
Why was the young man sacrificed at the Toxcatl festival?
During that year, he was treated like a god by the people, but at the time of the Toxcatl festival the young man was sacrificed in honor of Tezcatlipoca. It was considered an honor to represent Tezcatlipoca for the Aztec and young men did it willingly and with pride.
What did the Aztecs believe about Tonatiuh?
Furthermore, the Aztecs believed he was the leader of Tollan, which was said to be the mythological birthplace of the Aztec people. The images immediately around this central figure make reference to Aztec religious practices and historical periods of time. For instance, Tonatiuh is said to be holding a human heart in each of his hands, ...
What are the names of the Aztec calendar?
Therefore, dates on this calendar were known by names such as: 1 crocodile, 2 wind and 3 house.

Overview
The Aztec or Mexica calendar is the calendrical system used by the Aztecs as well as other Pre-Columbian peoples of central Mexico. It is one of the Mesoamerican calendars, sharing the basic structure of calendars from throughout ancient Mesoamerica.
The Aztec sun stone, also called the calendar stone, is on display at the Nationa…
Tōnalpōhualli
The tōnalpōhualli ("day count") consists of a cycle of 260 days, each day signified by a combination of a number from 1 to 13, and one of the twenty day signs. With each new day, both the number and day sign would be incremented: 1 Crocodile is followed by 2 Wind, 3 House, 4 Lizard, and so forth up to 13 Reed, after which the cycle of numbers would restart (though the twenty day signs had not yet been exhausted) resulting in 1 Jaguar, 2 Eagle, and so on, as the days immediately f…
Xiuhpōhualli
In ancient times the year was composed of eighteen months, and thus it was observed by the native people. Since their months were made of no more than twenty days, these were all the days contained in a month, because they were not guided by the moon but by the days; therefore, the year had eighteen months. The days of the year were counted twenty by twenty.— Diego Durán
Xiuhpōhualli is the Aztec year (xihuitl) count (pōhualli). One year consists of 360 named days an…
Reconstruction of the Solar calendar
For many centuries scholars had tried to reconstruct the Calendar. A widely accepted version was proposed by Professor Rafael Tena of the Instituto Nacional de Antropología e Historia, based on the studies of Sahagún and Alfonso Caso of the National Autonomous University of Mexico. His correlation argues that the first day of the Mexica year was February 13 of the old Julian calendar or February 23 of the current Gregorian calendar. Using the same count, it has been the date of t…
See also
• Maya calendar
• Mesoamerican calendars
• Aztec New Year
• Muisca calendar
External links
• The Aztec Calendar - Ancient History Encyclopedia
• (in Spanish) Detailed description of the temalacatl from Mexico's Museo Nacional de Antropología
• Daily Aztec Calendar
• Aztec Calendar Ruben Ochoa Correlation