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Mayan Calendar · Day sign 20 of 20

Ajpu, the blowgunner, and Ajaw, the lord

Ajpu is the twentieth and last day sign of the 260-day count: Ajpu in K'iche', the blowgunner hero of the Popol Vuh, and Ajaw in Yucatec, lord. It is the sign of the sun and the day that ends every tun, k'atun and b'ak'tun of the Long Count.

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The Maya day sign Ajpu as the codices write it, drawn after Sylvanus Morley's figure of 1915, beside the words Ajpu, Ajaw in Yucatec, Sun, day sign 20 of 20. Ajpu Ajaw in Yucatec · Sun Day sign 20 of 20 With each of the 13 numbers Glyph after Morley, 1915
Ajpu (Ajaw), the twentieth day sign: our tracing of the codex form in Morley's Introduction to the Study of the Maya Hieroglyphs (1915, figure 17), which is in the public domain. The day signs are not yet in Unicode.

Facts

Position
Day sign 20 of 20; days 20, 40, 60 … 260 of the 260
K'iche' name
Ajpu, in the 1987 unified alphabet
Yucatec name
Ajaw; colonial spelling Ahau
Our English gloss
Sun (ours, from the highland reading)
The Yucatec name means
lord, ruler, sun
Classic reading of the glyph
Ajaw? (a question mark: not secure)
Year bearer
Never, in any known set
First day in the count
7 Ajpu, day 20 of the 260
Glyph
Our tracing of Morley 1915, figure 17; not yet in Unicode

Meaning

Ajaw means lord or ruler in Yucatec and several other Mayan languages, and the Classic reading is the same word. It is the sign of the sun god, and the day that ends every tun, k'atun and b'ak'tun of the Long Count, so that 4 Ajaw 8 Kumk'u opens the current era and 4 Ajaw 3 K'ank'in completed its thirteenth b'ak'tun on 21 December 2012.

The K'iche' name Ajpu is the blowgunner, Hunahpu of the Popol Vuh, who with his twin outwitted the lords of Xibalba. The Komon Tohil daykeepers call the day the Lord Sun and the hunter; the Maya' Wuj manual gives lord, majesty and blowgunner, and the triumph of Ajpu over the lords of the underworld.

Our reading: the sun, the hero, light and life, carried by people described as gifted and generous, whose strong will is at its best when it warms rather than dazzles. The word does not mean spiritual mastery. The words are ours.

In the highlands today

The Zunil daykeepers use Ajpu to ask for the fulfilment of the ideas the community proposes; Maya' Wuj makes it a day for security and for renewal. In Momostenango it is a day for guarding against curses and for doing good.

Komon Tohil's sheet writes the name Ajpu'; every other K'iche' source we read writes Ajpu, which we use.

The glyph and the old readings

Thompson read the glyph as the sun god, matched its god with the head that writes the number 4, and recorded the eagle as its Yucatec augury and he of the blowgun as its highland one. The colonial spelling is Ahau, kept only so that searches find it; our page address uses the modern Ajaw.

The Central Mexican day of the same position is Xochitl, the flower, a different image from a different count.

In the count

Ajpu comes round every twentieth day, thirteen times in the 260: on days 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240 and 260, with the numbers 7, 1, 8, 2, 9, 3, 10, 4, 11, 5, 12, 6 and 13 in that order, so 7 Ajpu is its first day in the count and 13 Ajpu its last. In the nawal cross of a person born on Ajpu, the day eight before (conception) falls on E, the day eight after (destiny) on Q'anil, six before (the right hand) on I'x and six after (the left hand) on Kame, each with its own number.

Correspondences

Each item with how it stands: “sourced” is in the work cited, “our construction” is EsoTerrier’s own, and “disputed” means the sources disagree.

Thompson's reading of the glyph (1950)
the sun god sourced
Presiding god of the day, after Thompson
the sun sourced
Old augury, Yucatan and the highlands, after Thompson
eagle (Yucatan); he of the blowgun (highlands); gradings differ between communities disputed
The name, as the Zunil daykeepers explain it
life, destiny, plants and animals; the Lord Sun; hunter, marksman, walker sourced
Direction and colour
south, yellow (k'an): read off the four-direction cycle; not attested for this day itself, and not shown on our chart unverified
Our reading
The sun, the hero, light and life: gifted and generous, a strong will at its best when it warms. our construction

How the schools read it

Classic inscriptions (epigraphers)
Reading of the glyph: Ajaw?
J. Eric S. Thompson, 1950
The glyph as the sun god; the day's god the sun.
Komon Tohil daykeepers, Zunil
Life, destiny, plants and animals; the Lord Sun; hunter, marksman, walker.
The Maya' Wuj manual
Lord, majesty, blowgunner; material and spiritual certainty; the triumph of Ajpu over the lords of Xib'alb'a; a day for security and for renewal.
Momostenango (Andrés Xiloj, 2005)
A day for guarding against curses and for doing goodness and wonders.
The Central Mexican count (tonalpohualli)
Xochitl, flower: the day of the same position in a related but different count.
Dreamspell (1990)
"Yellow Sun" for the same position in its own count; not our name for the sign.
EsoTerrier
The sun, the hero, light and life: gifted and generous, a strong will at its best when it warms. Our words.

Claims about it

  • Ajaw means "radiant spiritual mastery" or enlightenment.

    false

    What the record shows: Ajaw means lord or ruler; the K'iche' Ajpu means the blowgunner.

  • The day 4 Ajaw 3 K'ank'in, 21 December 2012, was the end of the Maya calendar.

    false

    What the record shows: It completed the thirteenth b'ak'tun of the Long Count, and the fourteenth began. The count goes on.

  • Ahau is the correct spelling of the twentieth day.

    disputed

    What the record shows: It is the colonial Spanish spelling. The Guatemalan alphabets of 1987 write Ajaw and, in K'iche', Ajpu.

  • Ajpu is the "Yellow Sun".

    false

    What the record shows: That is a Dreamspell name from a modern count of 1990, not the Maya day.

Elsewhere on EsoTerrier

Sources

Primary texts (7)
  1. Komon Tohil (K'iche' daykeepers, Zunil); Smithsonian NMAI, The Meaning of the Days in the Maya Sacred Calendar. maya.nmai.si.edu, 2012. Consulted for facts; never copied. maya.nmai.si.edu/sites/default/files/resources/The%20Meaning%20of%20the%20Days%20in%20the%20Maya%20Sacred%20Calendar.pdf
  2. Editorial Maya' Wuj, Usolik rokisaxik ri Cholq'ij, ri Ab' / Manual de los calendarios mayas Cholq'ij y Ab' (manual for the 2025 to 2026 wall calendar). Editorial Maya' Wuj, Guatemala, 2025. Consulted for facts; never copied. mayawuj.com.gt/wp-content/uploads/2025/04/Instructivo-rueda-calendarica-de-pared-2025-2026.pdf
  3. Mayatecum, ¿Cuál es el verdadero día del año nuevo maya solar?. mayatecum.com, 2024. Facts only. mayatecum.com/cual-es-el-verdadero-dia-del-anyo-nuevo-maya-solar
  4. Allen J. Christenson (tr.), Popol Vuh: Sacred Book of the Quiché Maya People (translation and commentary). O Books; Mesoweb, 2003. Facts only. mesoweb.com/publications/Christenson/PopolVuh.pdf
  5. Sylvanus Griswold Morley, An Introduction to the Study of the Maya Hieroglyphs. Bureau of American Ethnology, Washington, 1915. Public domain (a US government publication); our day-sign glyphs are traced from its figure 17. gutenberg.org/files/43491/43491-h/43491-h.htm
  6. J. Eric S. Thompson, Maya Hieroglyphic Writing: Introduction. Carnegie Institution of Washington, Publication 589, 1950 (reprinted 1960 and 1971). Facts and short attributed phrases only. mesoweb.com/publications/Thompson/Thompson1950.html
  7. Andres Xiloj; translation and notes by Allen J. Christenson; Night Fire Films, Breaking the Maya Code: interview with Andres Xiloj, K'iche' daykeeper of Momostenango (12 February 2005), transcript. Night Fire Films, 2005. Facts only; paraphrased, not quoted. nightfirefilms.org/breakingthemayacode/interviews/XilojTRANSCRIPT.pdf
Studies and other sources (10)
  1. "Mesoamerican Long Count calendar", Wikipedia (orientation only). en.wikipedia.org/wiki/Mesoamerican_Long_Count_calendar
  2. "Maya calendar", Wikipedia (orientation only). en.wikipedia.org/wiki/Maya_calendar
  3. "Tzolk'in", Wikipedia (orientation only). en.wikipedia.org/wiki/Tzolk%CA%BCin
  4. "Dreamspell", Wikipedia (orientation only). en.wikipedia.org/wiki/Dreamspell
  5. Academia de Lenguas Mayas de Guatemala, Academia de Lenguas Mayas de Guatemala: history, and Government Accord 1046-87 (unified alphabets). almg.org.gt, 2026. Facts only. almg.org.gt/historia
  6. Script Encoding Initiative, UC Berkeley, Script Encoding Initiative: 'From Stone to Screen' (30 December 2025) and 'SEI in 2026' (24 February 2026). sei.berkeley.edu, 2026. Facts only. sei.berkeley.edu/2025/12/30/from-stone-to-screen
  7. "Ajaw", Wikipedia (orientation only). en.wikipedia.org/wiki/Ajaw
  8. Harri Kettunen and Christophe Helmke, Introduction to Maya Hieroglyphs, 20th edition. Wayeb (European Association of Mayanists), 2025. Facts only. wayeb.org/wp-content/uploads/2025/11/Kettunen_Helmke_2025_WH_English_20th_ed.pdf
  9. "Tonalpohualli", Wikipedia (orientation only). en.wikipedia.org/wiki/T%C5%8Dnalp%C5%8Dhualli
  10. Nicholas A. Hopkins and J. Kathryn Josserand, Directions and Partitions in Maya World View. FAMSI (Foundation for the Advancement of Mesoamerican Studies), 2011. Facts only. famsi.org/research/hopkins/DirectionalPartitions.pdf
Our own research (2)
  1. EsoTerrier Mayan calendar research, 2026-10-11 (main report, validation report, visual survey, notes) (2026).
  2. EsoTerrier engine, Mayan reference and calculation (2026). Its texts are our own, written from the sources above.

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By EsoTerrier. Written with AI assistance from our research and checked against its sources; last revised 20 October 2026. How we write these pages.

First published ; last revised . Corrections: support@esoterrier.com.