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Convert DateTime to Unix time in C#

I’ve been asked recently by a few people how to convert Unix time to DateTime format (and the other way around) so I decided to make a post about it explaining how Unix time works and provide a snippet to help people that want to convert DateTime to Unix time or vise versa.

Unix time is basically the number of seconds that have passed since 1/1/1970 00:00:00 (UTC). In order to convert a specific date and time to a Unix time value we will need to subtract the date above from the date we want to convert to Unix time.

Example:


Now if we want to convert a Unix time value to a DateTime object the the principle is the same. We take the 1/1/1970 00:00:00 (UTC) date and add the value of the Unix time as seconds to that date. The result would be the actual DateTime of the Unix time stamp.

Example:

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3 Responses to Convert DateTime to Unix time in C#

  1. Joske says:

    Very helpfull :)

  2. Agra says:

    Thanks for posting this. Its Really helpful for beginners.
    Thanks Again…

  3. Stranger says:

    Thank you!

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