👉 Semitics is a term used in ancient Egyptian mathematics and astronomy to denote a specific unit of measurement for the length of a day. It was originally designated for a segment of the solar year, but it later became associated with the time of day when the sun's rays would be at its maximum intensity. The semitime was typically expressed as 12 hours, or one day, and is the equivalent to approximately 13.5964 days in modern terms. The term "