FUNCTION: WeekDay( )
WeekDay(Date, FirstDayofWeek)
The WeekDay function returns the number of
the day of the week.
The output is defined 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 |
| VBUseSystemD> | 0 | Use the date format of the
computer's regionsl settings |
| VBUseSystemDayOfWeek | 0 | Use the first full day of the
week as defined by the system settings |
There is one mandatory argument.
Date
The Date argument is any valid date
expression and you may use the Date and Now
functions.
Code:
<% =WeekDay(Date) %>
Output:
3
Code:
<% =WeekDay(Now) %>
Output:
3
Code:
<%
=WeekDay("6/26/1943") %>
Output:
7
There is one optional argument.
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:
<%
=WeekDay("6/26/1943", VBMonday) %>
Output:
6