Sun time can be described in various ways, and there are plenty of synonyms that one can use to describe the same. Solar time, true solar time, apparent solar time, and sundial time are some of the popular synonyms for sun time. Likewise, sun time can also be referred to as daylight hours or daytime. Other common synonyms for sun time include solar hours, solar day, and day length. These synonyms are often used in various fields, such as astronomy, meteorology, and geography. Regardless of the term one uses, sun time refers to the time measured by the position of the sun in the sky.