The sun hieroglyph is used in the Ancient Egyptian language hieroglyphs as a determinative to refer to events of time, for example when referring to '' '"day xx" (of month yy') ''. Even the "snap-of-the-finger", a 'moment', or 'instant' of time is represented using a Hippopotamus head (hieroglyph), Gardiner no. F3: F3, with the sun-disc: N5, as the time determinative in a hieroglyphic composition block.F3-N5:Z1.("instant")("moment"of"time")

Some other common hieroglyphs based on the ''sun hieroglyph'', are the Sun-with-rays (hieroglyph), Gardiner no. N8: N8, and Sun-rising (hieroglyph)-(''Coronations'', "Appearance of..."-Palermo Stone), no. N28. N28. In the 24th century BC Palermo Stone: ''"Appearance of the King of the South and Appearance of the King of the North"''