Question

there are two days
in the year when places all over the world
experience equal lengths of day and night.
These are
and​

Answer 1

Answer:The word equinox means equal night, and it's often said that days and nights are equal lengths twice a year, at the March and September equinoxes, for everyone worldwide.

Explanation:

Answer 2

they are called as equinoxes

they occur during march and September in a year

because the sun shines directly on the equator

so the length of day and night remains the same