FUNCTION:  WeekdayName( )
WeekdayName(WeekDay, Abbreviate, FirstDayofWeek)
 
The WeekdayName function returns the full spelling of the name of the day of the week.
 
There is one mandatory argument.
 
WeekDay
 
The WeekDay argument is the number representing the day of the week as defined below by the value in the Date And Time Constants.
 
CONSTANT VALUE DESCRIPTION
VBSunday 1 Sunday
VBMonday 2 Monday
VBTuesday 3 Tuesday
VBWednesday 4 Wednesday
VBThursday 5 Thursday
VBFriday 6 Friday
VBSaturday 7 Saturday
VBFirstJan1 1 Week of January 1
VBFirstFourDays 2 First week of the year that has at least four days
VBFirstFullWeek 3 First full week of the year
VBUseSystem 0 Use the date format of the computer's regional settings
VBUseSystemDayOfWeek 0 Use the first full day of the week as defined by the system settings

  Code:
<% =WeekdayName(7) %>
 
Output:
Saturday
 
There are two optional arguments.
 
Abbreviate
 
The optional Abbreviate argument is a Boolean value which gives the option of having the returned day name being abbreviated to the first three characters.
 
If set to True, the name will be abbreviated. If set to False the name will not be abbreviated.
 
Code:
<% =WeekdayName(7, True) %>
 
Output:
Sat
 
FirstDayofWeek
 
The optional FirstDayofWeek argument must only use the constants or values defined above in the Date And Time Constants.
 
In this example, Monday is defined to be the first day of the week. Therefore, Saturday becomes 6.
 
Code:
<% =WeekdayName(6, False, 2) %>
 
Output:
Saturday
 
Code:
<% =WeekdayName(6, False, VBMonday) %>
 
Output:
Saturday