using System.Globalization;
public static void Main()
string dateString = "2023-12-12";
DateTime parsedDate = DateTime.ParseExact(dateString, "yyyy-MM-dd", null);
CultureInfo thaiCulture = new CultureInfo("th-TH");
string formattedDate = parsedDate.ToString("dd MMMM yyyy", thaiCulture);
Console.WriteLine($"Formatted date in Thai: {formattedDate}");