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Excel Formula: Custom Format Weekday Name

doc convert date to julia 1

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.
doc convert date to julia 1

Generic formula:


Syntaxt and Arguments

Date:the date that you want to return a weekday name in custom format.

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.
doc convert date to julia 1

doc convert date to julia 1


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

Weekday Number
Sunday 1
Monday 2
Tuesday 3
Wednesday 4
Thursday 5
Friday 6
Saturday 7

WEEKDAY(B3) returns 3.

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

Then formula

=Tuey (to return the third value from the list)

Relative Formulas

Relative Functions

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