CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName (DateTime.Now.Month);

DateTime dt = DateTime.Parse("12 January 2009";
   dt.ToString("MMM");  // prints "Jan"
                        // (or the right abbrev is in current culture)
   dt.ToString("MMMM"); // prints "January"
                        // (or correct sp in current culture)

Microsoft.VisualBasic.MonthName

Thread.CurrentThread.CurrentCulture.DateTimeFormat.GetMonthName

if (DateTime.Now.Month != 1) // can't run this test in January.

if (DateTime.Now.Month != DateTime.MonthsOfYear.January)

Public Enum MonthsOfYear
    January = 1
    February = 2
    March = 3
    April = 4
    May = 5
    June = 6
    July = 7
    August = 8
    September = 9
    October = 10
    November = 11
    December = 12
End Enum

List<string> monthNames = DateTimeFormatInfo.CurrentInfo.MonthNames.Take(12).ToList();
var monthSelectList = monthNames.Select(
   m => new { Id = monthNames.IndexOf(m) + 1, Name = m });

public enum Month
{
    NotSet = 0,
    January = 1,
    February = 2,
    March = 3,
    April = 4,
    May = 5,
    June = 6,
    July = 7,
    August = 8,
    September = 9,
    October = 10,
    November = 11,
    December = 12
}