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Calculate seconds between two dates / times in YYYY-MM-DDH: MM: SSZ format

Is there a quick way (in C #) to calculate the number of seconds between two strings containing a date / time in the format YYYY-MM-DDTG: MM: SSZ.

For example:

string startTime = "2017-03-27T13:58:39Z";
string endTime = "2017-03-27T14:07:26Z";

int numSecs = calculateSecondsBetween(startTime, endTime);

Yes, I could create a function that parses all of this, but I was hoping for something simpler.

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3 answers


Extract them and use the property TimeSpan

TotalSeconds 



string startTime = "2017-03-27T13:58:39Z";
string endTime = "2017-03-27T14:07:26Z";

int numSecs = (int)(DateTime.Parse(endTime) - DateTime.Parse(startTime)).TotalSeconds;
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Subtract the time and get TotalSeconds

:

string startTime = "2017-03-27T13:58:39Z";
string endTime = "2017-03-27T14:07:26Z";
DateTime startTimeDt = Convert.ToDateTime(startTime);  
DateTime endTimeDt = Convert.ToDateTime(endTime);  
var diffInSeconds = (endTimeDt - startTimeDt).TotalSeconds;
Console.Write(diffInSeconds);


Hope it helps!

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fubo and mindOfAi got there much faster than me, but if you paste your code after something convenient and quick, you can create an extension method to make it cleaner:

public static class DateTimeExtensions
{
    public static int NumberOfSecondsUntil(this string start, string end)
    {
        return (int)(DateTime.Parse(end) - DateTime.Parse(start)).TotalSeconds;
    }
}

It can then be called like this:

int numSecs = startTime.NumberOfSecondsUntil(endTime);

YMMV :)

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