The equinoxes and solstices occur because the axis of rotation of the Earth is not vertical but is at an angle of 23.4 degrees, to the vertical with respect to the ecliptic path formed by the revolution of the Earth about the Sun.
Because the Earth's axis is directed at the same point in space as it revolves around the Sun, the angle of tilt of the axis with respect to the Sun varies, from a minimum of 0 degrees which defines the equinoxes to a maximum of 23.4 degrees which defines the solstices.
-June 21, 2014, 10:51 GMT
This is the longest day of the year. This occurs in June when the Sun transits the zodiac sign of Cancer. Astrologically speaking this is said to be the gateway to life. Cancer rules the material world.
-September 23, 2014, 02:29 GMT
During Autumn Equinox, the length of day and night are equal, but day light starts decreasing. The autumn equinox falls in Libra - the sign of balance.
Astrologically this represents the balancing of ones' ego and temper as one matures of age.
-December 21, 2014, 23:03 GMT
Winter solstice happens in December and has the longest night of the year. The day would be the shortest of the year. The Sun would be traversing the sign of Capricorn during this time. This represents total materialism in astrological terms.
-March 20, 2014, 16:57 GMT
At the Spring Equinox, the length of day and night are once again equal, but daylight starts increasing. In northern hemispheres, the equinox falls in Aries.
Astrologically this represents the beginning of life and its growth. It also signifies the aspect of blooming in all its glory.