The Maha-kalpa embraces an untold number of periods far back in the antediluvian ages. This system comprises a Kalpa (or grand period of 4,320,000,000 years), which is divided into yugas:
- Satya yuga – 1,728,000 years (golden age)
- Tretya yuga – 1,296,000 years (silver age)
- Dvapa yuga – 864,000 years (bronze age)
- Kali yuga – 432,000 years (iron/dark age)
- Together they make one divine age or Maha-yuga
- Siphra Dzeniouta (The Book of Concealed Mystery) – Kabbalah
- The Popol Vuh (The Mythic and Heroic Sagas of the Kichés of Central America) – Kiche Manuscript
- Phaedrus – Plato
- Timaeus – Plato
- Aitareya Brahmanam – Vedas