[Latest] How old is Stenian now?

Living Person

Stenian
is

As of April 16, 2026

826 years old
approximately!

Date of Birth

(1200 ) is

Monkey
Year

* Calculated from Wikipedia data.
Accuracy is not guaranteed.

approx.Cosmic Age Calculator

Moon

approx. 11047.9 years old

Mercury

approx. 3431 years old

Venus

approx. 1343.2 years old

Mars

approx. 439.4 years old

Jupiter

approx. 69.7 years old

Saturn

approx. 28.1 years old

* Calculated based on each planet's orbital period.

Stenian

1200 – 1000 Ma

Paleoglobe of Earth during the late Stenian, c. 1040 Ma

Chronology

−1220 —

–

−1200 —

–

−1180 —

–

−1160 —

–

−1140 —

–

−1120 —

–

−1100 —

–

−1080 —

–

−1060 —

–

−1040 —

–

−1020 —

–

−1000 —

–

−980 —

Mesoproterozoic

Ectasian

Stenian

Tonian

←

First appearance of Bangiomorpha pubescens

←

Large-scale mountain-building from continent-continent collision of the Grenvillian orogeny

←

Development of the North American Midcontinent Rift

Events of the Stenian Period
Vertical axis scale: Millions of years ago

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

Defined chronometrically

Lower GSSA ratified

1990

Upper boundary definition

Defined chronometrically

Upper GSSA ratified