According to astrology, the role of the planet Sun is considered important in the change of seasons. The Sun is considered the king of all the planets. According to science, the Sun revolves around its fixed orbit in the Solar System.
The direction of the sun is from north to south. The Earth is tilted 23.5 degrees on its axis and is revolving around the Sun. Due to Autumn Equinox, the equator of the Earth falls exactly in front of the Sun on 21 March and 23 September. Due to which the time of day and night becomes equal. Due to this, the situation of Equinox is being created on Thursday, 23 September 2021, Equinox is a Latin language word, which means the same night. In Hindi, it is called Vishuva, which is derived from the Sanskrit language.
It is believed that when the equinox is formed on March 21, then summer begins, when this condition is formed on September 22, then winter means the beginning of autumn. On this day, day and night are equal. From 23 September, the day becomes shorter and the night longer.
It is believed that on September 23, when the Sun God enters the Southern Hemisphere, due to which there is a change in the earth's weather. There is a regular rotation of the Sun and the Earth in the Solar System. Because of this, the sun's rays fall obliquely on the earth. Due to this, the pink starts to cool after 23 September.
According to Panchang, 23 September 2021, Thursday is the second date of Krishna Paksha of Ashwin month. So on this day, Moon is transiting in Pisces. Revati Nakshatra will remain on Thursday. Sun will remain in the Virgo sign.