page_title: Rapa Nui calendar
section_title: Days
hierarchical_section_title: Rapa Nui calendar / Days
caption_attribution_description: The calendar on rongorongo tablet C Mamari
context_page_description: The Rapa Nui calendar was the indigenous lunisolar calendar of Easter Island. It is now obsolete.
context_section_description: The month was divided in two, beginning with the new and full moon. Thomson recorded the calendar at the time of his visit to the island as follows. The new moon occurred on November 25 and again on the night of December 24; Thompson records the crescent was first visible on November 26. 
  The three sources we have correspond with each other except for two intercalary days (in bold), and the night of the new moon in Englert, which seems to have been confused with one of these. Beginning with (o)ata, the night of the new moon, they are: 
  *New moon, full moon, and first and last quarters.
  The kokore are unnamed (though numbered) nights; tahi, rua, toru, haa, rima, ono are the numerals 1–6. The word kokore is cognate with Hawaiian ‘a‘ole "no" and Tahitian ‘aore "there is/are not"; here it may mean "without [a name], nameless".
caption: The Mamari Tablet of rongorongo is thought to include the Rapanui calendar. The identified calendrical information starts midway through recto line 6 (bottom center, upside down) and continues to the start of line 9 (top left). Two glyphs completing the purple sequence (ellipsis) are not visible at the start of 7. Blue and pink beaded lozenges ("accounting sets") follow the identified calendar, but their function is unknown.
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