12. Which days are called Equinoxes?. 1) March 21st & September 23rd 2) April 21st & September 23rd 3) June 21st & September 23rd 4) March 22nd & September 23rd

12. Which days are called Equinoxes?. 1) March 21st & September 23rd

1.	12. Which days are called Equinoxes?. 1) March 21st & September 23rd 2) April 21st & September 23rd 3) June 21st & September 23rd 4) March 22nd & September 23rd
Answer» Vernal equinox(about March 21): day and night of equal LENGTH, marking the start of SPRING. Summer solstice (JUNE 20 or 21): LONGEST day of the year, marking the start of summer. Autumnal equinox(about September 23): day and night of equal length, marking the start of AUTUMN.