Trecena
From Tlaahcicacaquiliztli
Revision as of 07:05, 4 July 2014 by Itztli ehecatl (Talk | contribs)
This is in reference to a 13 day period. The trecena is the reference point at which we find day signs.
This is in reference to a 13 day period. The trecena is the reference point at which we find day signs.
