C Sharp/DateTime/DayOfYear

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Contents

[edit] C# DateTime DayOfYear Property

The DateTime DayOfYear property simply returns an int value (1 through 366) which represents a certain day out of 1 to 366 days. The DayOfYear preoperty will account for leap years.


[edit] Syntax

int variable = DateTime.Now.DayOfYear;


[edit] Example 1

using System;
class Program
{
    static void Main()
    {
        int variable = DateTime.Now.DayOfYear;
        Console.WriteLine(variable.ToString());
        Console.Read();
    }
}

Output:

99

The output represents the 99th day of the year.


[edit] How to convert DayOfYear to DateTime

This example will directly convert to DayOfYear object back to a DateTime value.

using System;
class Program
{
    static void Main()
    {
        double DayOfYear = 91.0;
        DateTime StartOfYear = new DateTime(2007, 1, 1);
        DateTime MyNewDate = StartOfYear.AddDays(DayOfYear);
        Console.WriteLine(MyNewDate.ToString());
        Console.Read();
    }
}

Output:

4/2/2007 12:00:00 AM


<= DateTime Tutorial