TimeZoneInfo.TransitionTime.Month TimeZoneInfo.TransitionTime.Month TimeZoneInfo.TransitionTime.Month TimeZoneInfo.TransitionTime.Month Property

Definition

Gets the month in which the time change occurs.

public:
 property int Month { int get(); };
public int Month { get; }
member this.Month : int
Public ReadOnly Property Month As Integer

Property Value

The month in which the time change occurs.

Examples

The following example enumerates the time zones found on the local computer and displays transition time information for all floating-date transitions. The time information includes the month in which the time change occurs.

private enum WeekOfMonth
{
   First = 1,
   Second = 2,
   Third = 3,
   Fourth = 4,
   Last = 5
}

private void GetFloatingTransitionTimes()
{
   ReadOnlyCollection<TimeZoneInfo> timeZones = TimeZoneInfo.GetSystemTimeZones();
   foreach (TimeZoneInfo zone in timeZones)
   {
      TimeZoneInfo.AdjustmentRule[] adjustmentRules = zone.GetAdjustmentRules();
      DateTimeFormatInfo dateInfo = CultureInfo.CurrentCulture.DateTimeFormat;
      foreach (TimeZoneInfo.AdjustmentRule adjustmentRule in adjustmentRules)
      {
         TimeZoneInfo.TransitionTime daylightStart = adjustmentRule.DaylightTransitionStart;
         if (! daylightStart.IsFixedDateRule)
            Console.WriteLine("{0}, {1:d}-{2:d}: Begins at {3:t} on the {4} {5} of {6}.", 
                              zone.StandardName, 
                              adjustmentRule.DateStart, 
                              adjustmentRule.DateEnd,                                 
                              daylightStart.TimeOfDay, 
                              ((WeekOfMonth)daylightStart.Week).ToString(),  
                              daylightStart.DayOfWeek.ToString(),
                              dateInfo.GetMonthName(daylightStart.Month));

         TimeZoneInfo.TransitionTime daylightEnd = adjustmentRule.DaylightTransitionEnd;
         if (! daylightEnd.IsFixedDateRule)
            Console.WriteLine("{0}, {1:d}-{2:d}: Ends at {3:t} on the {4} {5} of {6}.", 
                              zone.StandardName, 
                              adjustmentRule.DateStart, 
                              adjustmentRule.DateEnd,                                 
                              daylightEnd.TimeOfDay, 
                              ((WeekOfMonth)daylightEnd.Week).ToString(),  
                              daylightEnd.DayOfWeek.ToString(), 
                              dateInfo.GetMonthName(daylightEnd.Month));
      }
   }   
}
Private Enum WeekOfMonth As Integer
   First = 1
   Second = 2
   Third = 3
   Fourth = 4
   Last = 5 
End Enum

Private Sub GetFloatingTransitionTimes()
   Dim timeZones As ReadOnlyCollection(Of TimeZoneInfo) = TimeZoneInfo.GetSystemTimeZones()
   For Each zone As TimeZoneInfo In timeZones
      Dim adjustmentRules() As TimeZoneInfo.AdjustmentRule = zone.GetAdjustmentRules()
      For Each adjustmentRule As TimeZoneInfo.AdjustmentRule in adjustmentRules
         Dim daylightStart As TimeZoneInfo.TransitionTime = adjustmentRule.DaylightTransitionStart
         If Not daylightStart.IsFixedDateRule Then
            Console.WriteLine("{0}, {1:d}-{2:d}: Begins at {3:t} on the {4} {5} of {6}.", _
                              zone.StandardName, _
                              adjustmentRule.DateStart, _
                              adjustmentRule.DateEnd, _                                 
                              daylightStart.TimeOfDay, _
                              CType(daylightStart.Week, WeekOfMonth).ToString(), _ 
                              daylightStart.DayOfWeek.ToString(), _
                              MonthName(daylightStart.Month))
         End If
         Dim daylightEnd As TimeZoneInfo.TransitionTime = adjustmentRule.DaylightTransitionEnd
         If Not daylightEnd.IsFixedDateRule Then
            Console.WriteLine("{0}, {1:d}-{2:d}: Ends at {3:t} on the {4} {5} of {6}.", _
                              zone.StandardName, _
                              adjustmentRule.DateStart, _
                              adjustmentRule.DateEnd, _                                 
                              daylightEnd.TimeOfDay, _
                              CType(daylightEnd.Week, WeekOfMonth).ToString(), _ 
                              daylightEnd.DayOfWeek.ToString(), _
                              MonthName(daylightEnd.Month))
         End If   
      Next
   Next   
End Sub

Remarks

Valid values for the Month property range from 1 to 12.

The Month property is used for both fixed-date and floating-date rules.

Applies to