We English speakers always just call it the sun. You sometimes hear English-speakers use the name Sol for our sun. Solis is Latin for sun. Sol is the Roman equivalent of the Greek sun god Helios.
Considering this, who was the Greek god of the sun?
: “In Hellenistic times, especially during the 3rd century BCE, as Apollo Helios he became identified among Greeks with Helios, Titan god of the sun, and his sister Artemis similarly equated with Selene, Titan goddess of the moon.
Who is the Goddess of Light?
Artemis: Goddess of Light. And Protector of the Vulnerable. In Greek mythology Artemis (also known as the Roman goddess Diana) was the daughter of Zeus, the mighty ruler of the Olympian gods. Artemis' mother, Leto, gave birth to Artemis after a short and painless labor.