How do I get the time difference between two DateTime objects using C

Question

User · Accepted Answer

The following example demonstrates how to do this:

DateTime a = new DateTime(2010, 05, 12, 13, 15, 00);
DateTime b = new DateTime(2010, 05, 12, 13, 45, 00);
Console.WriteLine(b.Subtract(a).TotalMinutes);

When executed this prints "30" since there is a 30 minute difference between the date/times.

The result of DateTime.Subtract(DateTime x) is a TimeSpan Object which gives other useful properties.

User · Answer

You need to use a TimeSpan    Here is some sample code   TimeSpan sincelast   TimeSpan FromTicks DateTime Now Ticks - LastUpdate Ticks

User · Answer

What you need is to use the DateTime classs Subtract method  which returns a TimeSpan   var dateOne   DateTime Now  var dateTwo   DateTime Now AddMinutes -5   var diff   dateTwo Subtract dateOne   var res   String Format   0   1   2    diff Hours diff Minutes diff Seconds

User · Answer

var startDate   new DateTime 2007  3  24     var endDate   new DateTime 2009  6  26     var dateDiff   endDate Subtract startDate     var date   string Format   0  years  1  months  2  days    int dateDiff TotalDays   365     int  dateDiff TotalDays   365    30   int  dateDiff TotalDays   365    30     Console WriteLine date

User · Answer

private void button1 Click object sender  EventArgs e        TimeSpan timespan      timespan   dateTimePicker2 Value - dateTimePicker1 Value      int timeDifference   timespan Days      MessageBox Show timeDifference ToString

User · Answer

You want the TimeSpan struct   TimeSpan diff   dateTime1 - dateTime2       A TimeSpan object represents a time interval  duration of time or elapsed time  that is measured as a positive or negative number of days  hours  minutes  seconds  and fractions of a second  The TimeSpan structure can also be used to represent the time of day  but only if the time is unrelated to a particular date    There are various methods for getting the days  hours  minutes  seconds and milliseconds back from this structure   If you are just interested in the difference then   TimeSpan diff   Math Abs dateTime1 - dateTime2     will give you the positive difference between the times regardless of the order   If you have just got the time component but the times could be split by midnight then you need to add 24 hours to the span to get the actual difference   TimeSpan diff   dateTime1 - dateTime2  if  diff  lt  0        diff   diff   TimeSpan FromDays 1

User · Answer

IF they are both UTC date-time values you can do TimeSpan diff   dateTime1 - dateTime2   Otherwise your chance of getting the correct answer in every single possible case is zero

User · Answer

The way I usually do it is subtracting the two DateTime and this gets me a TimeSpan that will tell me the diff   Here s an example   DateTime start   DateTime Now     Do some work TimeSpan timeDiff   DateTime Now - start  timeDiff TotalMilliseconds

User · Answer

You can use in following manner to achieve difference between two Datetime Object  Suppose there are DateTime objects dt1 and dt2 then the code   TimeSpan diff   dt2 Subtract dt1

[c#] How do I get the time difference between two DateTime objects using C#?

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