Mega Code Archive

 

Categories / C# / Date Time

 

Week refers to the week of the month, with 5 meaning the last week

using System; using System.Globalization; public class MainClass {     public static void Main() {         TimeZoneInfo wa = TimeZoneInfo.FindSystemTimeZoneById("W. Australia Standard Time");         foreach (TimeZoneInfo.AdjustmentRule rule in wa.GetAdjustmentRules()) {             Console.WriteLine("Rule: applies from " + rule.DateStart +                                               " to " + rule.DateEnd);             Console.WriteLine("   Delta: " + rule.DaylightDelta);             Console.WriteLine("   Start: " + FormatTransitionTime                                              (rule.DaylightTransitionStart, false));             Console.WriteLine("   End:   " + FormatTransitionTime                                              (rule.DaylightTransitionEnd, true));             Console.WriteLine();         }     }     static string FormatTransitionTime(TimeZoneInfo.TransitionTime tt,                                     bool endTime) {         if (endTime && tt.IsFixedDateRule                     && tt.Day == 1 && tt.Month == 1                     && tt.TimeOfDay == DateTime.MinValue)             return "-";         string s;         if (tt.IsFixedDateRule)             s = tt.Day.ToString();         else             s = "The first second third fourth last".Split()[tt.Week - 1] +                 " " + tt.DayOfWeek + " in";         return s + " " + DateTimeFormatInfo.CurrentInfo.MonthNames[tt.Month - 1]                  + " at " + tt.TimeOfDay.TimeOfDay;     } }