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DateTimeOffset.ToUnixTimeMilliseconds() Method in C#
  • Last Updated : 19 Mar, 2019

DateTimeOffset.ToUnixTimeMilliseconds Method is used to return the number of milliseconds that have elapsed since 1970-01-01T00:00:00.000Z. This method will return a negative value for the date and time values before 1970-01-01T00:00:00Z.

Syntax: public long ToUnixTimeMilliseconds ();

Return Value: This method returns the number of milliseconds that have elapsed since 1970-01-01T00:00:00.000Z.

Below programs illustrate the use of DateTimeOffset.ToUnixTimeMilliseconds() Method:

Example 1:



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// C# program to demonstrate the
// DateTimeOffset.ToUnixTimeMilliseconds()
// Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // creating object of  DateTimeOffset
        DateTimeOffset offset = new DateTimeOffset(2007,
                6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0));
  
        // Returns the number of milliseconds
        // instance using ToUnixTimeMilliseconds() method
        long value = offset.ToUnixTimeMilliseconds();
  
        // Display the time
        Console.WriteLine("Returns the number of"+
                    " milliseconds : {0}", value);
    }
}

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Output:

Returns the number of milliseconds : 1180702500000

Example 2:

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// C# program to demonstrate the
// DateTimeOffset.ToUnixTimeMilliseconds()
// Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // Creating object of  DateTimeOffset
        DateTimeOffset offset = new DateTimeOffset(1960,
                6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0));
  
        // Returns the number of milliseconds
        // instance using ToUnixTimeMilliseconds() method
        long value = offset.ToUnixTimeMilliseconds();
  
        // Display the time
        Console.WriteLine("Returns the number "+
                "of milliseconds : {0}", value);
    }
}

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Output:

Returns the number of milliseconds : -302439900000

Reference:




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