A baktun / ˈ b ɑː k t uː n / [1] (properly bʼakʼtun) is 20 kʼatun cycles of the ancient Maya Long Count Calendar. It contains 144,000 days, equal to 394.26 tropical years . The Classic period of Maya civilization occurred during the 8th and 9th baktuns of the current calendrical cycle.

A particular day, month, and year can be expressed as a Long Count date using baktun, katun, tun, uinal, and k’in units of time together with a Haab and a Tzolk’in calendar dates. Use this interactive tool to convert Gregorian calendar dates into the Maya calendar system.

Find which month the day is in. Dividing the remainder 134 by 20, is six complete months and a remainder of 14, indicating the 15th day. So, the date in the Haabʼ lies in the seventh month, which is Yaxkʼin.

2012年7月7日 · The Long Count calendar begins 11 August 3114 BCE and goes into its next cycle (known as a Baktun) on 21 December 2012 CE. This is simply a change in the cycle of the calendar – in the same way that people in the modern age observe the end of a year or the end of a century - and there is nothing in the extant writings of the Maya to suggest ...

2025年1月8日 · The concept of "14 Baktuns" in the Mayan Long Count calendar refers to the period following the completion of the 13th Baktun, which ended on December 21, 2012. The Long Count calendar is a non-repeating system used by the Maya to track time over long periods.

2012年12月19日 · To answer some of the questions posted here, we know that the future bak’tuns run 14, 15, etc. up to 19 because of a text at Palenque, in a panel in the Temple of the Inscriptions. It is widely known to Mayanists, and the dates …

长纪历计算日子的单位分成“金”(kin，1天)、“乌依纳”(uinal，20天)、“敦”(tun，360天)、“卡敦”(katun，7200天)及“巴克敦（也被翻译为白克顿）”(baktun，144000天)，其中又以十三巴克敦为分界，5200年为一个循环。

2011年1月8日 · L’ultima cifra a destra (il 7) rappresenta i giorni (Kin). La penultima (0) indica i mesi di 20 giorni, chiamati Uinal. La cifra centrale (18) fa riferimento agli anni, ovvero ai Tun. Infine 19 sono i Katun e 12 i Baktun. L’insieme di questi numeri esprime la data di oggi come il periodo trascorso dall’Istante Zero maya.

2012年12月20日 · I assume that at an early date, when the LC was first invented, the highest period was the baktun and that baktuns were arranged in re-entering series of 13, but that a subsequent desire to extend the range of time led to the …

— The end of this 13th 144,000-day baktun is the end of the Mayan calendar, or of a major cycle in it. — “Thirteen was a sacred number for the Maya.” — Also on 2012 Dec. 21 the Sun comes to its winter solstice point; and, in 2012, that point will be “aligned with,” indeed will “eclipse,” the center of our Milky Way galaxy.