The symbol for the Sun is also called the solar symbol and almost all cultures have distinct representations of the Sun. Even the different fields of human interest like science, astrology, mythology, religion and art had different representations and personifications of the Sun.
The simplest known symbol for the Sun is a circular disk as what is depicted in the national flags of Japan and Bangladesh. A circle with a point at its center is one of the ancient symbols for the Sun. It is commonly used in astronomy and astrology. The Egyptians even recognize it as a representation of the Sun god, Ra. In alchemy, this very same symbol signifies completion of the Great Work.
Another popular symbol for the Sun is the Sun cross or solar wheel. It is usually used to represent the four seasons. A derivation of the Sun cross, the swastika is a popular solar symbol for Buddhists, Jains, and Hindus. Several tribes of Russia have their own representation of the Sun. They use an eight pointed star to represent the Sun.
In divination and other religions, the Sun is the symbol of life, power, strength, energy, force and clarity. In Christianity, the Sun is associated with the house of Archangel Michael while the moon is associated with the house of Gabriel. The Sun is also used to symbolize Christ and other Christ-like attributes. In alchemy, the gold is considered as a material of the Sun, while the Sun, referred to as sol, is used to symbolize the mind and the intellect. Other materials that are also considered Sun symbols in alchemy are bronze, diamond, ruby and topaz.
In other cultures, flowers and animals are used to represent the Sun. Flowers that are considered Sun symbols are lotus, rose, chrysanthemum, and sunflower. Animals that are considered symbols of the Sun are the phoenix and the dragon.