Timeline
| Deciexasecond | Chronodate | Event | Description | Gregorian Year |
|---|---|---|---|---|
| 0 | 000:000:000:000:000:000 | Big Bang | 13.787 Billion years before 10 000 bce | -13,787,010,000 |
| 000:011:928:527:856:000 | Recombination | 378,000 years after the Big Bang | -13,786,632,000 | |
| 003:155:695:200:000:000 | Reionization | First stars/Cosmic Dawn | -13,687,010,000 | |
| 1 | ||||
| 2 | 291:807:135:144:000:000 | Start of the Hadean Eon | Formation of Earth | -4,540,010,000 |
| 3 | 308:847:889:224:000:000 | Start of Archean Eon | Formation of Earth life (simple organisms) | -4,000,010,000 |
| 356:183:317:224:000:000 | Start of the Proterozoic Eon | Evolution of complex life forms | -2,500,010,000 | |
| 4 | 418:072:811:486:400:000 | Start of Phanerozoic Eon | Emergence of multicellular organisms, dinosaurs, etc. | -538,810,000 |
| 418:072:811:486:400:000 | Paleozoic Era | Emergence of multicellular organisms, dinosaurs, etc. | -538,810,000 | |
| 427:126:437:901:296:000 | Mesozoic Era | Dinosaurs | -251,912,000 | |
| 432:992:938:392:000:000 | Cenozoic Era | Age of Mammals | -66,010,000 | |
| 435:075:635:056:780:800 | Holocene | Start of human agriculture | -10,000 | |
| 435:076:012:162:368:000 | Anthropocene | Space and Information Ages | 1,950 |