MonthComparer matches month names to month numbers for comparison. It's written in C#.

MonthComparer.cs

public class MonthComparer : IComparer<string> {
	public int Compare(string a, string b) {
		var c = DateTime.ParseExact(a, "MMMM", CultureInfo.CurrentCulture).Month;
		var d = DateTime.ParseExact(b, "MMMM", CultureInfo.CurrentCulture).Month;
		return c - d;
	}
}