Living Person
Quaternary
is
As of April 13, 2026
2 years old
approximately!
Date of Birth
(2024 ) is
Dragon
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
approx.Cosmic Age Calculator
Moon
approx. 31.7 years old
Mercury
approx. 9.8 years old
Venus
approx. 3.8 years old
Mars
approx. 1.3 years old
Jupiter
approx. 0.2 years old
Saturn
approx. 0.1 years old
* Calculated based on each planet's orbital period.
| Quaternary | |||||||||
|---|---|---|---|---|---|---|---|---|---|
 A map of Earth as it appears during the current Quaternary period, Holocene epoch | |||||||||
| Chronology | |||||||||
| |||||||||
| Etymology | |||||||||
| Name formality | Formal | ||||||||
| Usage information | |||||||||
| Celestial body | Earth | ||||||||
| Regional usage | Global (ICS) | ||||||||
| Time scale(s) used | ICS Time Scale | ||||||||
| Definition | |||||||||
| Chronological unit | Period | ||||||||
| Stratigraphic unit | System | ||||||||
| Time span formality | Formal | ||||||||
| Lower boundary definition |
| ||||||||
| Lower boundary GSSP | Monte San Nicola Section, Gela, Sicily, Italy 37°08′49″N 14°12′13″E / 37.1469°N 14.2035°E | ||||||||
| Lower GSSP ratified | 2009 (as base of Quaternary and Pleistocene) | ||||||||
| Upper boundary definition | Present day | ||||||||
| Upper boundary GSSP | N/A | ||||||||
| Upper GSSP ratified | N/A | ||||||||
| Atmospheric and climatic data | |||||||||
| Mean atmospheric O2 content | c. 20.8 vol % (100% of modern) | ||||||||
| Mean atmospheric CO2 content | c. 250 ppm (0.9 times pre-industrial) | ||||||||
| Mean surface temperature | c. 14 °C (0.5 °C above pre-industrial) | ||||||||
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