C#

DateTime first;
DateTime second;

if (first.Hour > second.Hour)
{
    //first is later
}
else
    if (first.Hour == second.Hour)
        if (first.Minute > second.Minute)
        {
            //first is later
        }
        else
            if (first.Minute == second.Minute)
            {
                //they are the same
            }
            else
            {
                //second is later
            }
    else
    {
        //second is later
    }

<br />
DateTime dt1 = DateTime.Parse("2007/06/14 13:24:00");<br />
DateTime dt2 = DateTime.Parse("2007/06/14 12:00:00");<br />
TimeSpan ts = dt1 - dt2;<br />
double elapsed = ts.TotalHours;<br />

public static int CompareHourMinuteOnly(DateTime dt1, DateTime dt2) {
    int diff=dt1.Hour-dt2.Hour;
    if (diff==0) diff=dt1.Minute-dt2.Minute;
    return diff;
}

Ramana. G.V wrote:

how to compare two times using DateTime object. I need to compare hours & minutes only based on this i am showing some message.

If DateTimeObject1.TimeOfDay = DatTimeObject2.TimeOfDay Then<br />
 'do something<br />
End If