Excel Formula: Custom Format Weekday Name

Generally, the weekday displays as Monday, Tuesday, Wednesday…Sunday. But sometimes, you may want to customize the weekday names, such as Mony, Tuey, Wedy…Suny. In this tutorial, it provides a formula to automatically customize the weekday names based on the date in Excel.

If you want to follow along with this tutorial, please download the example spreadsheet.

Generic formula:

Syntaxt and Arguments

How this formula works

To convert the date in cell B3 to a weekday name in custom format, please use below formula:

Press Enter key to get the result, if you need, drag auto fill handle over the cells to apply the formula.

Explanation

WEEKDAY function: to get day of the week as a number (1 to 7) from date.

WEEKDAY(B3) returns 3.

CHOOSE function: returns a value from the list of value arguments by the given index number.

Then formula

=CHOOSE(WEEKDAY(B4),"Suny","Mony","Tuey","Wedy","Thuy","Friy","Saty")
=CHOOSE(3,"Suny","Mony","Tuey","Wedy","Thuy","Friy","Saty")
=Tuey (to return the third value from the list)

Relative Formulas

• Check if a date is workday
  This tutorial provides a formula to to check a date if is a workday.
• Check two dates are in the same year month
  To check if two dates in the same year month, you can use the formula in this tutorial.
• Create date range from two dates
  This tutorial provides a formula with TEXT function to create a date range based on two dates in text format in Excel.
• Create weekly date range
  In this tutorial, it provides a formula to quickly get the weekly date range in Excel.

Relative Functions

• Excel WEEKNUM Function
  Returns the week number of the given date in a year
• Excel WORKDAY Function
  Adds workdays to the given start date and returns a workday
• Excel MONTH Function
  The MONTH is used to get the month as integer number (1 to 12) from date
• Excel DAY Function
  DAY function gets the day as a number (1 to 31) from a date
• Excel NOW Function
  Get the current time and date