In Vedic astrology, the Sun is known as RAVI or SURYA. Because of his heated, dry character, he is said to be mildly maleficent. The Sun dominates the Sign of Leo, just as it does in western tropical astrology (Simha). In the sign of Aries (Mesh), he is exalted (Uccha), while in the sign of Libra, he is in his decline (Neecha). The ATMAKARAKA is the name given to the Sun. This is derived from the Sanskrit words ATMA, which means soul, and KARAKA, which means indication. The Sun is the source of life as an "indicator of the soul." The parent, our ego, honors, prestige, renown, the heart, the eyes, general vigor, respect, and power are all represented by the Sun. The Sun is directly overhead in the 10th House, where he is at his most powerful. He's also adept at the other Kendras, or Angles.
Houses 1, 4, and 7 are the ones in question. The Sun also shines brightly in the upachaya, or growing Houses. Houses 3, 6, and 11 are the ones in question. He is especially advantageous to those born under the fiery signs of Aries, Leo, and Sagittarius. His nature, or temperament, is PITTA, or fiery, and the red ruby is the gemstone linked with the Sun.
Characteristics of the Sun
The Sun provides us with vigor, resilience, and immunity. It is in charge of our physical makeup, or the composition of our bodies. The Sun bestows life energy, willpower, intelligence, brightness, prosperity, worldly success, riches, personal conduct, activity, cheerfulness, good fortune, knowledge, ambition, and renown, the ability to comprehend the phenomenal universe, as well as medical knowledge. It also influences our interactions with temples and other sacred sites.
The Sun has a specific effect on the human spine. The Pingala Nadi, or Sun Nadi, begins at the base of the right side of the spine, is solar in character, and ends in the right nostril.
Relationships between Sun and other planests
Venus, Saturn, Rahu (dragon's head, or the north node of the Moon), and Ketu (dragon's tail, or the south node of the Moon) are its natural adversaries, while the Moon, Mars, and Jupiter are its natural allies.
Sun ruled organs include
The right and left eyes in males and women, respectively. The heart, liver, lungs, head (brain), nerves, and bones are all ruled by the Sun.
Sun religious significance
Souram is one of Adi Sankara's six sects dedicated to the Sun God. Sun worship is practiced in other religions as well. The Sun holds a prominent position in the Zodiac—the Center. Because this graha is the source of life, he is referred to as PRANADHATA, the life-giver. He aids in the development of one's vision, and SURYANAMASKAR (worship by prostration) strengthens one's bones, cures the disease of any severity, cleanses the devotee of his sins, and bestows offspring, riches, good health, and long life. He is the reason for the world's benefitting rains.
The Sun rules the Nakshatras Kritika, Uttra Phalhuni and Uttar Khad
Sun illness is an affected and ill-aspected group of people. Low and high blood pressure, indigestion, jaundice, cholera, fever, diabetes, appendicitis, hemorrhage, cardiac thrombosis, facial eruptions, typhoid, tuberculosis, mental problems caused by overthinking, diseases of the head, epilepsy, and disorders caused by aggravated bile are all caused by exposure to the sun. Gold is the Sun's metal, and he faces east. His birthday is Sunday, and he is 22 years old when he reaches full maturity and brilliance.
He is the God—a live God—who can be seen, felt and prayed to by anybody. He has been depicted in a number of ways, despite the fact that he is visible. He is the giver of life and time. He is revered in the Vedas as a witness (Sakshi) to all acts. He is the Zodiac's Lord of Leo. He spends one month in each Rasi and completes a circle of 12 Rashi's in 365 days or 12 months. The worship of this Devata (GOD) on Sunday is thought to provide the devotees several blessings.
Surya mantra: Om Hrim Hrim Suryay Namah
For better guidance you can consult online with stargyan astrologers and take online astrology predictions about sun effects.