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Question

I'm trying to create a 13 character timestamp within my application but after searching online I am at a loss.

Are these 13 character timestamps special types of timestamps? And how can one generate them?

Here is an example timestamp: 1330650156663

Accepted Answer

It's the number of milliseconds since 1/1/1970 00:00 (unix epoche)

        long timestamp = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds;
        Console.WriteLine(timestamp);

Answer 2

Thirteen-character timestamps are generally UNIX timestamps with a millisecond precision.

For example, 1330650156 (without the 663 milliseconds at the end) is 02 Mar 2012 01:02:36 UTC (see ).

Answer 3

You need milliseconds (instead of just second)

 TimeSpan t = (DateTime.UtcNow - new DateTime(1970, 1, 1));
 long timestamp  = (long ) t.TotalMilliseconds;
 Console.WriteLine (timestamp);

Answer 4

DateTime.Now.Ticks.ToString()

You probably want something like that, though you'd have to use a string operation to get it to 13 characters if it isn't already.

13 Character Timestamp