1 get day of the week with the default return type 1 enter the following formula in Cell B1. Apparently 12182017 falls on a Monday. The WEEKDAY function is a built-in function in Excel that is categorized as a DateTime Function.
Fundamental Syntax of WEEKDAY Function.
You can also use the TEXT function to display the day of the week. The Excel WEEKDAY function takes a date and returns a number between 1-7 representing the day of week. Go to the Home tab and click on the small launch icon in the lower right corner of the Number section. The WEEKNUM function starts counting with the week that contains January 1.