Creating specific date/times: year, month, day, hour, minute, second : DateTime « Date Time « C# / CSharp Tutorial

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C# / CSharp Tutorial » Date Time » DateTime

13.1.1.Creating specific date/times: year, month, day, hour, minute, second

using System;

using System.Collections.Generic;

using System.Globalization;

using System.IO;

using System.Text;

using System.Security.Cryptography;



public class MainClass

{

    public static void Main()

    {

        DateTime dt1 = new DateTime(2004, 10, 19);

        Console.WriteLine("dt1: {0}", dt1);

        DateTime dt2 = new DateTime(2004, 10, 19, 22, 47, 35);

        Console.WriteLine("dt2: {0}", dt2);

        DateTime dt3 = new DateTime(2004, 10, 19, 22, 47, 35, 259);

        Console.WriteLine("dt3: {0}", dt3);

    }

}

dt1: 19/10/2004 12:00:00 AM
dt2: 19/10/2004 10:47:35 PM
dt3: 19/10/2004 10:47:35 PM

13.1.DateTime
	13.1.1.	Creating specific date/times: year, month, day, hour, minute, second
	13.1.2.	Create a DateTime with the current date and time
	13.1.3.	Create a TimeSpan representing 1 week and subtract from a DataTime
	13.1.4.	Add seconds to current time
	13.1.5.	Create a DateTime instance, specifying the year, month, and day
	13.1.6.	Create a DateTime instance, specifying the year, month, day, hour, minute, second, and millisecond
	13.1.7.	Create a DateTime instance, specifying the year, month, day, and JulianCalendar object
	13.1.8.	Create a DateTime instance, specifying the number of ticks
	13.1.9.	Create a TimeSpan instance, and add it to DateTime
	13.1.10.	Use the Now and UtcNow properties to get the currrent date and time
	13.1.11.	Display the Date, Day, DayOfWeek, DayOfYear, Ticks, and TimeOfDayProperties of DateTime
	13.1.12.	Use the Compare() method to compare DateTime instances
	13.1.13.	Use the overloaded less than operator (<) to compare two DateTime instances
	13.1.14.	Use the Equals() method to compare DateTime instances
	13.1.15.	Use the DaysInMonth() method to retrieve the number of days in a particular month and year
	13.1.16.	Use the IsLeapYear() method to determine if a particular year is a leap year
	13.1.17.	Use the overloaded addition operator (+) to add a TimeSpan to a DateTime
	13.1.18.	Use the overloaded subtraction operator (-) to subtract a TimeSpan from a DateTime
	13.1.19.	Use the AddYears(), AddMonths(), AddDays(), AddMinutes(), and AddSeconds() methods to add periods to a DateTime
	13.1.20.	Use the ToFileTime() method to convert a DateTime to an operating system file timestamp
	13.1.21.	Use the FromFileTime() method to convertan operating system file timestamp to a DateTime
	13.1.22.	Benchmark Timing with DateTime

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