`DateTime.Month`

This VB.NET Property returns a value between and 0 and 11 inclusive, and it indicates the month represented in the DateTime structure. For January, we get the value 0.

Meanwhile, for displaying names of months, we can use the ToString Function on a DateTime instance with the "MMM" or "MMMM" format codes. In this way we handle months in VB.NET programs.

Example

DateTime is a Structure, and it has many useful properties and methods upon it. The Month is a Property—we access it without using parentheses. We can read it, but not write to it.

Part 1 We access the Now property to get a DateTime that represents the current moment. Then we print the Month value, and the month string.

Part 2 We loop over all possible months, by repeatedly calling AddMonths in a loop. We print the short month strings.

Part 3 For the full month string, we must specify the format string as "MMMM." A lot of "Ms" are necessary here.

Module Module1
    Sub Main()
        ' Part 1: After getting Now, access the Month integer and the 3-letter month string.
        Dim now As DateTime = DateTime.Now
        Console.WriteLine(now.Month)
        Console.WriteLine(now.ToString("MMM"))

        ' Part 2: Loop over all possible months.
        now = DateTime.Now
        For i = 0 To 11
            Console.Write("{0} ", now.ToString("MMM"))
            now = now.AddMonths(1)
        Next
        Console.WriteLine()

        ' Part 3: Full month format has 4 uppercase M chars.
        now = DateTime.Now
        For i = 0 To 11
            Console.Write("{0} ", now.ToString("MMMM"))
            now = now.AddMonths(1)
        Next
        Console.WriteLine()
    End Sub
End Module7
Jul
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
July August September October November December January February March April May June

With the Month property, as well the ToString Function with "MMM" and "MMMM", we handle months. Not only this, but AddMonths() can be used to modify months.