3 Answers

Not my choice but............

Name Meaning Reason
Mitra The Friend This name is given to the Sun when he moves into Aries, where he is exalted and therefore at his most generous and friendly
Ravi The Radiant In Taurus (the feminine home of Venus) the sun exhibits his brilliant beauty
Surya Giver of Beauty In Gemini the Sun concentrates on making people beautiful so they may enjoy one another
Bhanu Catalyst of Emotion In Cancer (the 4th sign, feminine home of the emotional Moon) the Sun becomes the spark which ignites deep emotion
Khaga Awesome In Leo (the Sun’s own sign) the Sun becomes royal and kingly, an object of awe and reverence
Pushna Nourisher In Virgo (the 6th sign) the Sun destroys disease and nourishes health
Hiranya Garba The All-Inclusive In Libra (the 7th sign) the Sun illuminates our universal relationship to all beings
Marica Destroyer of Darkness The 8th sign, Scorpio, is a place shrouded in mystery. Here, the Sun destroys darkness.
Aditya Illuminator of the Way The 9th sign, Sagittarius, is the source of moral fortune. Here the Sun illuminates the correct path.
Savitra The Arouser Capricorn is the 10th sign of the zodiac, which is equivalent to the 10th House, which represents noon. Here the Sun wakes us and arouses our external impulses
Arka Flash of Warmth In Aquarius (11th sign) the Sun flashes warmth to the world
Bhaskara Liberator In Piesces (12th sign) the Sun illuminates the spiritual knowledge that leads to liberation
There are alternate naming systems as well, which correspond to the 12 “adityas” – for more information, see wikipedia

Sol was what I have heard! In the winter I sometimes can't remember! Once I even drew a big sun and put on my fridge just to keep the spirits up. People become depressed from lack of sunshine! Long may she shine!

In the antique Egipt the sun was called Ra and it was one of the Egiptians gods