SHOA

CHILEAN NAVY HYDROGRAPHIC AND OCEANOGRAPHIC SERVICE

An equinox happens when the day has the same length as the night.

This astronomic phenomenon occurs twice a year, in March and in September, and it corresponds to the moment when both poles of the earth are at the same distance from the Sun, occasion when sunlight hits both hemispheres equally and the hours of sunlight are equal to the hours of darkness. On the same day, the seasons change going from Winter to Spring in the Southern Hemisphere, while in the Northern Hemisphere from Summer to Autumn.

This year the Spring Equinox in the Southern Hemisphere will take place on September 22 at 11:21 local time, this event marks the official start of the Spring.