When earth experience equal day and night, it is called
Equinox
Summer solstice
Winter solstice
All of the above
Answer: Equinox
Long Answer:
On 21st March and September 23rd, direct rays of the sun fall on the equator. At this position, neither of the poles is tilted towards the sun; so, the whole earth experiences equal days and equal nights. This is called an equinox.