C# program to determine given date and time is daylight saving time or not (TimeZoneInfo.IsDaylightSavingTime() Method)

C# TimeZoneInfo.IsDaylightSavingTime() Method: Here, we are going to learn how to determine given date and time is daylight saving time or not in C#.Net?
Submitted by Nidhi, on May 20, 2021

The IsDaylightSavingTime() method of TimeZoneInfo class is used to check whether a given date and time falls in the range of daylight saving time for the current TimeZoneInfo object's time zone.

Syntax:

    bool TimeZoneInfo. IsDaylightSavingTime (DateTime date_time);

Parameter(s):

  • date_time: A date and time.

Return value:

This method returns a boolean value if the given date-time is daylight saving time then it returns true otherwise it returns false.

Exception(s):

  • System.ArgumentException

Program:

The source code to determine given date and time is daylight saving time or not 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 dateTime1;
        TimeZoneInfo time_zone = TimeZoneInfo.Local;

        dateTime1 = new DateTime(2020, 2, 10, 10, 10, 10);

        if (time_zone.IsDaylightSavingTime(dateTime1))
            Console.WriteLine("It is daylight saving time");
        else
            Console.WriteLine("It is not daylight saving time");
    }
}

Output:

It is not daylight saving time
Press any key to continue . . .

C# TimeZoneInfo Class Programs »


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