ἥλιος (hēlios)

The noun hēlios designates the sun, the celestial body that provides light and warmth to the earth. In the New Testament, it appears thirty-two times, often functioning as a standard marker of time or natural order. Its usage ranges from simple descriptions of daily life, such as Jesus noting how God causes His sun to rise on both the evil and the good (Matthew 5:45), to vivid depictions of physical phenomena like the midday darkness at the crucifixion (Luke 23:45).

While it generally refers to the physical star, hēlios carries significant symbolic weight, particularly in apocalyptic literature. In Revelation, the sun becomes a canvas for divine judgment and glory. The text describes the sun turning black like sackcloth during the sixth seal (Revelation 6:12) and later notes that the New Jerusalem needs no sun because God’s glory illuminates it (Revelation 21:23). This shift from natural light to supernatural illumination highlights the word’s theological depth.

The term is closely linked to its Septuagint counterpart for the Hebrew shemesh, maintaining a consistent identity across the biblical canon. Etymologically, it derives from a root meaning "ray," emphasizing the sun’s function as the source of daylight. Translators typically render it simply as "sun," preserving its straightforward physical reference while allowing the context to convey any associated spiritual significance.