<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">veintenas</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31432191</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:56:36</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">month</dcterms:alternative> <dcterms:alternative xml:lang="en">months</dcterms:alternative> <dcterms:alternative xml:lang="en">veintena</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Periods of  pre-Columbian Mesoamerican calendars comprising 20 days, not coordinated with the lunar cycle. The term is most frequently used with respect to the 365-day Aztec calendar, the xiuhpohualli, although 20-day periods are also used in the 365-day Maya calendar (the Mayan tun), as well as by other Mesoamerican civilizations such as the Zapotec and Mixtec. A period of twenty-days in the xiuhpohualli or Nahua solar calendar. A period of twenty days in the xiuhpohualli or Nahua solar calendar. ]]></dc:description></metadata>