20th/21 Periods of the Cosmos, the 6th/7 Period of Released Creation is the Biblical Day-period of the Cenozoic Era Age covering the period of time of BC AYN 65,444,917 through BC AYN 3960.
12th/12 simple or elemental (פשוטות) letters (ספרים) of Zayin (ז) symbolizes the Biblical Day-period of the Cenozoic Era Age beginning the 3rd/3 classic geological eras of the geologic time scale, the Cenozoic Era. Cenozoic in Greek means “new life” composed of kainos (καινος: קינות); “new,” and Zoe (ζωη: חוה); “life,” which begins in BC AYN 65,444,917 using the Mayan Long Count Calendar continues through to BC AYN 3960.
Quantum Numeral Long
QNL 220.127.116.11.5,  is the date used in the Universal Syphers for the annualized start of the Day-period of the Cenozoic Era Age within and near the very end of the 12th/13 Alautuns of Day 6 Quantum Numeral Long 19.18.
20th/21 Day-periods of the Period of the Cosmos in Mayanism is transliterated as the 3rd/20 trecenas with the 1st/13 prime predominant of Manic/Mazatl beginning with the 28th/260 count of days, with the ruling energy deity over the entire trecena of Tepeyollotl; "mountain heart or interior," occurring during the 1st/4 worlds of the Mayan and the 1st/5 suns of the Aztec.
The dynamic image (24-30 FPS) of the major arcana (אר-כנע) Tarot (טרות) that corresponds to the 6th Day-period of the Cenozoic Era Age is the The Chariot symbolized by the Roman numeral VII.