Traditional Culture Encyclopedia - Traditional culture - Lightyear and Jiazi are respectively

Lightyear and Jiazi are respectively

Light-year is the time required for light to travel from the sun to the earth, and Jiazi is a time calculation method in ancient China. According to relevant public information, one light year is the time required for light to travel from the sun to the earth, which is about 9.46× 10/2 power kilometers, or about 9.46 trillion kilometers. Jiazi is a time calculation method in ancient China, which consists of 60 cycles from A to D, and each cycle is called Jiazi.