Traditional Culture Encyclopedia - Almanac inquiry - Why was the calendar green last Saturday and red on Sunday?

Why was the calendar green last Saturday and red on Sunday?

Saturday: Saturday means a day for Saturn. Saturn old English. Saturn is the god of agriculture in Roman mythology, in charge of grain, just like Shennong the Great in China mythology. Because most grains in agriculture are green, Saturdays are usually designed to be green. Sunday means sun festival in old English ( ...