Using the WEEKDAY and VLOOKUP FUNCTION
Date you were born			<== Enter the date of your birth in the date format of mm/dd/yyyy
Weekday (number)of the date you were born			<== Use the WEEKDAY function to determine the weekday you were born.
Weekday (name of the day) of the date you were born			<== Use the VLOOKUP function to find the number from C5 in the table below.
			Lookup Table
			1	Sunday
			2	Monday
			3	Tuesday
			4	Wednesday
			5	Thursday
			6	Friday
			7	Saturday