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C# program to check whether a date and time in a particular time zone is ambiguous (TimeZoneInfo.IsAmbiguousTime() Method)
C# TimeZoneInfo.IsAmbiguousTime() Method: Here, we are going to learn how to check whether a date and time in a particular time zone is ambiguous in C#.Net?
Submitted by Nidhi, on May 20, 2021
The IsAmbiguousTime() method of the TimeZoneInfo class is used to check whether a given date and time in a particular time zone is ambiguous or not and can be mapped to two or more UTC times.
Syntax:
bool TimeZoneInfo.IsAmbiguousTime (DateTime date_time);
Parameter(s):
- date_time: The date time value to be checked whether it is ambiguous or not.
Return value:
This method returns a boolean value if the given time is ambiguous in a particular time zone then it returns true otherwise it returns false.
Exception(s):
Program:
The source code to check whether a date and time in a particular time zone is ambiguous is given below. The given program is compiled and executed successfully.
using System;
using System.Globalization;
using System.Collections.ObjectModel;
class TimeZoneInfoDemo
{
//Entry point of Program
static public void Main()
{
DateTime ambiguousTime;
TimeZoneInfo timeZone1 = TimeZoneInfo.FindSystemTimeZoneById("Central Standard Time");
TimeZoneInfo timeZone2 = TimeZoneInfo.FindSystemTimeZoneById("UTC");
ambiguousTime = new DateTime(2007, 11, 4, 1, 0, 0);
if (timeZone1.IsAmbiguousTime(ambiguousTime))
Console.WriteLine("Time is ambiguous");
else
Console.WriteLine("Time is not ambiguous");
if (timeZone2.IsAmbiguousTime(ambiguousTime))
Console.WriteLine("Time is ambiguous");
else
Console.WriteLine("Time is not ambiguous");
}
}
Output:
Time is ambiguous
Time is not ambiguous
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