How to get the unix timestamp in C#

Question

I have had look around stackoverflow, and even looked at some of the suggested questions and none seem to answer, how do you get a unix timestamp in C#?

Answer 1

As of .NET 4.6, there is DateTimeOffset.ToUnixTimeSeconds.

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This is an instance method, so you are expected to call it on an instance of DateTimeOffset. You can also cast any instance of DateTime, though beware the timezone. To get the current timestamp:

DateTimeOffset.Now.ToUnixTimeSeconds() 

To get the timestamp from a DateTime:

DateTime foo = DateTime.Now; long unixTime = ((DateTimeOffset)foo).ToUnixTimeSeconds();