FirstDayOfWeek Enumeration 

Indicates the first day of the week to use when calling date-related functions.

Remarks

When you call date-related functions, you can use the following enumeration members in your code in place of the actual values.

Some date-related functions take a DayOfWeek argument, a WeekOfYear argument, or both. The FirstDayOfWeek enumeration specifies the valid values for the DayOfWeek arguments, as well as the possible return values from the functions.

The DayOfWeek argument takes the FirstDayOfWeek enumeration members.

Date-related functions also return FirstDayOfWeek values (except System).

Members

Member	Constant	Description
System	vbUseSystemDayOfWeek	The first day of the week as specified in your system settings
Sunday	vbSunday	Sunday (default)
Monday	vbMonday	Monday
Tuesday	vbTuesday	Tuesday
Wednesday	vbWednesday	Wednesday
Thursday	vbThursday	Thursday
Friday	vbFriday	Friday
Saturday	vbSaturday	Saturday

Requirements

Namespace: Microsoft.VisualBasic

Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)

See Also

Tasks

How to: Refer to an Enumeration Member

Reference

FirstWeekOfYear Enumeration
DateFormat Enumeration
DateDiff Function (Visual Basic)
DatePart Function (Visual Basic)
Format Function
Weekday Function (Visual Basic)

Concepts

Intrinsic Constants and Enumerations
When to Use an Enumeration