DateTimeOffset.ToUniversalTime DateTimeOffset.ToUniversalTime DateTimeOffset.ToUniversalTime DateTimeOffset.ToUniversalTime Method

定義

現在の変換DateTimeOffsetオブジェクトをDateTimeOffset世界協定時刻 (UTC) を表す値です。Converts the current DateTimeOffset object to a DateTimeOffset value that represents the Coordinated Universal Time (UTC).

public:
 DateTimeOffset ToUniversalTime();
public DateTimeOffset ToUniversalTime ();
member this.ToUniversalTime : unit -> DateTimeOffset
Public Function ToUniversalTime () As DateTimeOffset

戻り値

現在の日時を表すオブジェクトをDateTimeOffsetオブジェクトは、世界協定時刻 (UTC) を変換します。An object that represents the date and time of the current DateTimeOffset object converted to Coordinated Universal Time (UTC).

次の例では、ToUniversalTime現地時刻と他のいくつかの時刻を世界協定時刻 (UTC) に変換します。The following example calls the ToUniversalTime method to convert a local time and several other times to Coordinated Universal Time (UTC).

DateTimeOffset localTime, otherTime, universalTime;
 
// Define local time in local time zone
localTime = new DateTimeOffset(new DateTime(2007, 6, 15, 12, 0, 0));
Console.WriteLine("Local time: {0}", localTime);
Console.WriteLine();

// Convert local time to offset 0 and assign to otherTime
otherTime = localTime.ToOffset(TimeSpan.Zero);
Console.WriteLine("Other time: {0}", otherTime);
Console.WriteLine("{0} = {1}: {2}", 
                  localTime, otherTime, 
                  localTime.Equals(otherTime));
Console.WriteLine("{0} exactly equals {1}: {2}", 
                  localTime, otherTime, 
                  localTime.EqualsExact(otherTime));
Console.WriteLine();
                  
// Convert other time to UTC
universalTime = localTime.ToUniversalTime(); 
Console.WriteLine("Universal time: {0}", universalTime);
Console.WriteLine("{0} = {1}: {2}", 
                  otherTime, universalTime, 
                  universalTime.Equals(otherTime));
Console.WriteLine("{0} exactly equals {1}: {2}", 
                  otherTime, universalTime, 
                  universalTime.EqualsExact(otherTime));
Console.WriteLine();
// The example produces the following output to the console:
//    Local time: 6/15/2007 12:00:00 PM -07:00
//    
//    Other time: 6/15/2007 7:00:00 PM +00:00
//    6/15/2007 12:00:00 PM -07:00 = 6/15/2007 7:00:00 PM +00:00: True
//    6/15/2007 12:00:00 PM -07:00 exactly equals 6/15/2007 7:00:00 PM +00:00: False
//    
//    Universal time: 6/15/2007 7:00:00 PM +00:00
//    6/15/2007 7:00:00 PM +00:00 = 6/15/2007 7:00:00 PM +00:00: True
//    6/15/2007 7:00:00 PM +00:00 exactly equals 6/15/2007 7:00:00 PM +00:00: True   
Dim localTime, otherTime, universalTime As DateTimeOffset
 
' Define local time in local time zone
localTime = New DateTimeOffset(#6/15/2007 12:00:00PM#)
Console.WriteLine("Local time: {0}", localTime)
Console.WriteLine()

' Convert local time to offset 0 and assign to otherTime
otherTime = localTime.ToOffset(TimeSpan.Zero)
Console.WriteLine("Other time: {0}", otherTime)
Console.WriteLine("{0} = {1}: {2}", _
                  localTime, otherTime, _
                  localTime.Equals(otherTime))
Console.WriteLine("{0} exactly equals {1}: {2}", _ 
                  localTime, otherTime, _
                  localTime.EqualsExact(otherTime))
Console.WriteLine()
                  
' Convert other time to UTC
universalTime = localTime.ToUniversalTime() 
Console.WriteLine("Universal time: {0}", universalTime)
Console.WriteLine("{0} = {1}: {2}", _
                  otherTime, universalTime, _ 
                  universalTime.Equals(otherTime))
Console.WriteLine("{0} exactly equals {1}: {2}", _ 
                  otherTime, universalTime, _
                  universalTime.EqualsExact(otherTime))
Console.WriteLine()
' The example produces the following output to the console:
'    Local time: 6/15/2007 12:00:00 PM -07:00
'    
'    Other time: 6/15/2007 7:00:00 PM +00:00
'    6/15/2007 12:00:00 PM -07:00 = 6/15/2007 7:00:00 PM +00:00: True
'    6/15/2007 12:00:00 PM -07:00 exactly equals 6/15/2007 7:00:00 PM +00:00: False
'    
'    Universal time: 6/15/2007 7:00:00 PM +00:00
'    6/15/2007 7:00:00 PM +00:00 = 6/15/2007 7:00:00 PM +00:00: True
'    6/15/2007 7:00:00 PM +00:00 exactly equals 6/15/2007 7:00:00 PM +00:00: True   

注釈

このメソッドが戻る、DateTimeOffsetオブジェクトOffsetプロパティが 0 に設定されます。This method returns a DateTimeOffset object whose Offset property is set to zero.

現在の値DateTimeOffsetオブジェクトとの値、DateTimeOffsetメソッドの呼び出しによって返されるオブジェクトでは、時間の同じ時点を表しています。Both the value of the current DateTimeOffset object and the value of the DateTimeOffset object returned by the method call represent the same point in time. つまり、両方に渡された場合、DateTimeOffset.Equals(DateTimeOffset, DateTimeOffset)メソッドは、メソッドを返しますtrueThat is, if both are passed to the DateTimeOffset.Equals(DateTimeOffset, DateTimeOffset) method, the method will return true.

適用対象

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