What day is June 2 1?

According to the daily Gregorian calendar, it is known that the date of 202310,21is Saturday, the date of 202310,21is 43rd week, and 202310,21.

Week, also known as week, is a unit of time and the basis for formulating working days and rest days. Zhou originated in Babylon as a time period. On March 7, 32 1 year, the Roman emperor Constantine the great officially established the world week system. It was called "Seven Obsidian" in ancient China. During the Xia, Shang and Zhou Dynasties in China, Seven Obsidian refers to seven main stars, such as the sun, the moon and the five major planets, which was an important part of astronomical astrology at that time. Later, it was borrowed as a unit of seven days, so it was called "week".