CW talk:Kalenteri
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Ajanlaskuun
- Viisi planeetta + aurinko
- kaksi kuuta
- 14 tähtikuviota (X määrä tähtiä)
--phooka 12:54, 11 May 2010 (UTC)
Auringon aika
#260-day cycle (Aztec & maya)
The tonalpohualli ("day count") consists of a cycle of 260 days, each day signified by a combination of a number from one to thirteen, 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) giving 1 Jaguar.
#Mayan Sacred Round or 260-day calendar. The tzolk'in calendar combines twenty day names with the thirteen numbers of the trecena cycle to produce 260 unique days. It is used to determine the time of religious and ceremonial events and for divination. Each successive day is numbered from 1 up to 13 and then starting again at 1. Separately from this, every day is given a name in sequence from a list of 20 day names:
#Solar calendar (Haab)
The Haab' was the Maya solar calendar made up of eighteen months of twenty days each plus a period of five days ("nameless days") at the end of the year known as Wayeb' (or Uayeb in 16th C. orthography). Bricker (1982) estimates that the Haab' was first used around 550 BC with a starting point of the winter solstice.[11]
#Maya long count The Maya name for a day was k'in. Twenty of these k'ins are known as a winal or uinal. Eighteen winals make one tun. Twenty tuns are known as a k'atun. Twenty k'atuns make a b'ak'tun.
Days Long Count period Long Count period Approx solar years 1 = 1 K'in 20 = 20 K'in = 1 Winal 0.055 360 = 18 Winal = 1 Tun 1 7,200 = 20 Tun = 1 K'atun 19.7 144,000 = 20 K'atun = 1 B'ak'tun 394.3