HOW THE DAYS OF THE WEEK HAVE BEEN NAMED The seven days of the week were named after the seven celestial bodies that were observed to move in the sky. The positions of stars are relatively fixed, while the sun, moon and planets shift.
	SUNDAY -- The Sun
	MONDAY -- The Moon
	TUESDAY -- Mars
	WEDNESDAY -- Mercury
	THURSDAY -- Jupiter
	FRIDAY -- Venus
	SATURDAY -- Saturn