sort days from Sunday to Saturday

[SzymonKl]

in the matrix visualization, the week name columns are arranged alphabetically, how can I change it so that they are arranged from Sunday to Saturday? I have the table 'SK_Invoked Function' and columns [DayName] - text format and column [DayOfWeekNumber] - numbers. The number 1 of [DayOfWeekNumber] corresponds to the Sunday of [DayName]. this is what it matrix looks like now:

[Sandhya1234 · Accepted solution]

@SzymonKl sort by DayOfWeekNumber.

[saud968]

I have created a custom column - 

Day = FORMAT('support__cw_ops_manage_case_merge_temp'[EST DET], "dddd") I want my days to be sorted from Monday to Sunday but the above steps are not working I created a relationship as well with the table