How do I subtract two DateTime values from another DateTime value and have the result saved to a double?
Subtraction of two datetime objects in Python: It is allowed to subtract one datetime object from another datetime object. The resultant object from subtraction of two datetime objects is an object of type timedelta.
In . NET, if you subtract one DateTime object from another, you will get a TimeSpan object.
Use the strptime(date_str, format) function to convert a date string into a datetime object as per the corresponding format . To get the difference between two dates, subtract date2 from date1. A result is a timedelta object.
In .NET, if you subtract one DateTime
object from another, you will get a TimeSpan
object. You can then use the Ticks
property on that TimeSpan
object to get the number of ticks between the two DateTime
objects. However, the ticks will be represented by a Long
, not a Double
.
DateTime date1; DateTime date2; Long diffTicks = (date2 - date1).Ticks;
There are other interesting properties on the TimeSpan
object like TotalMilliseconds
and TotalMinutes
and things like that which can help you out, and may be more what you are looking for.
DateTime startTime = DateTime.Now; DateTime endTime = DateTime.Now.AddSeconds( 75 ); TimeSpan span = endTime.Subtract ( startTime ); Console.WriteLine( "Time Difference (seconds): " + span.Seconds ); Console.WriteLine( "Time Difference (minutes): " + span.Minutes ); Console.WriteLine( "Time Difference (hours): " + span.Hours ); Console.WriteLine( "Time Difference (days): " + span.Days );
I think this is what you need.
DateTime d1 = DateTime.Now;
DateTime d2 = DateTime.UtcNow;
var result = d1 - d2;
double dResult = result.Ticks;
Use DateTime.Subtract which will return TimeSpan , then use TotalSeconds property of the result which is of type double.
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