Mesoamerican Long Count calendar 18. Thus 0.0.1.0.0 does not represent 400 days, but rather only 360 days and 0.0.0.17.19 represents 359 days. The name "b'ak'tun" was invented by modern scholars. The numbered Long Count was no longer in use by the time the Spanish arrived in the Yucatán Peninsula, although unnumbered k'atuns and tuns were still in use. Instead the Maya were using an abbreviated Short Count. Long Count dates are written with Mesoamerican numerals, as shown on this table. A dot represents "1" while a bar equals "5". The shell glyph was used to represent the zero concept. The Long Count calendar required
Mesoamerican Long Count calendar Pop (24 March ) and adding to it the Distance Number 10.11.10.5.8. This calculation arrives at the 80th Calendar Round since his accession, a day that also has a CR date of , but which lies over 4,000 years in the future from Pakal's time—the day 21 October in the year 4772. The inscription notes that this day would fall eight days after the completion of the 1st "piktun" [since the creation or zero date of the Long Count system], where the "piktun" is the next-highest order above the "b'ak'tun" in the Long Count. If the completion date of that