# Definition:East Point of Horizon

## Definition

Let an observer $O$ be facing the north point of the horizon $N$, facing directly away from the south point of the horizon $S$.

Let the celestial equator meet the celestial horizon at the points $E$ and $W$.

Let $E$ be the point on the right of $O$.

This is called the east point of the horizon.

In the above diagram, the east point of the horizon is indicated by $E$.

## Also known as

The east point of the horizon is also known as the east point.