C# TimeZoneInfo IsAmbiguousTime(DateTime)

Description

TimeZoneInfo IsAmbiguousTime(DateTime) determines whether a particular date and time in a particular time zone is ambiguous and can be mapped to two or more Coordinated Universal Time (UTC) times.

Syntax

TimeZoneInfo.IsAmbiguousTime(DateTime) has the following syntax.

public bool IsAmbiguousTime(
  DateTime dateTime
)

Parameters

TimeZoneInfo.IsAmbiguousTime(DateTime) has the following parameters.

• dateTime - A date and time value.

Returns

TimeZoneInfo.IsAmbiguousTime(DateTime) method returns true if the dateTime parameter is ambiguous; otherwise, false.

Example

/*from  w  w  w.  j  a v  a 2  s.c  o  m*/
using System;
public class MainClass{
  public static void Main(String[] argv){  
    DateTime baseTime = new DateTime(2014, 11, 4, 0, 59, 00, DateTimeKind.Unspecified);
    DateTime newTime;
    
    // Get Pacific Standard Time zone
    TimeZoneInfo pstZone = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
    
    newTime = baseTime.AddMinutes(13);   
    Console.WriteLine("{0} is ambiguous: {1}", newTime, pstZone.IsAmbiguousTime(newTime));
  }
}

The code above generates the following result.