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UNIX timestamp to System.DateTime

By , 10 Apr 2005
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Introduction

This article is a very simple example of how to convert a UNIX timestamp to a System.DateTime in Visual C#.

The UNIX timestamp

The UNIX timestamp represents the time measured in number of seconds since the Unix Epoch (1st of January 1970 00:00:00 GMT), and is well-known to PHP-developers.

How to convert UNIX timestamp to System.DateTime

Given below is an example of how to convert any given UNIX timestamp to a System.DateTime.

// This is an example of a UNIX timestamp for the date/time 11-04-2005 09:25.
double timestamp = 1113211532;

// First make a System.DateTime equivalent to the UNIX Epoch.
System.DateTime dateTime = new System.DateTime(1970, 1, 1, 0, 0, 0, 0);

// Add the number of seconds in UNIX timestamp to be converted.
dateTime = dateTime.AddSeconds(timestamp);

// The dateTime now contains the right date/time so to format the string,
// use the standard formatting methods of the DateTime object.
string printDate = dateTime.ToShortDateString() +" "+ dateTime.ToShortTimeString();

// Print the date and time
System.Console.WriteLine(printDate);

How to convert System.DateTime to UNIX timestamp

I know that this part is just as essential as the above, but it seems that I am running out of time... I will of course return with an update on how to convert the System.DateTime to a UNIX timestamp.

Any comments or suggestions are welcomed!

This is my first article on Visual C# ever, so bare with me...

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

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About the Author

Miros79
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Denmark Denmark
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Comments and Discussions

 
Generalummm actually... PinmemberJonathan Lathigee22-Jan-10 10:23 
GeneralJavascript-time and UNIX-Epoch-time start at the same Epoch but are measured with a different scale Pinmemberprotron1-Mar-11 9:54 
GeneralMy vote of 1 PinmemberDeceptor114-Jan-10 10:04 
Generalactually, none of you bitches are correct PinmemberEmil Müller4-Apr-08 11:25 
GeneralRe: actually, none of you bitches are correct PinmemberMikhail Tsennykh (devnoob)8-May-12 7:13 
QuestionIs this correct? Pinmembertobias4215-Oct-06 2:39 
GeneralVery Useful article PinmemberMudkiSekhon28-Dec-05 23:13 
GeneralCode sample not correct PinsussRiCkY8214-Jul-05 0:12 
GeneralDateTime to Unix Timestamp PinmemberEiswuerfelJr29-Apr-05 7:02 
GeneralRe: DateTime to Unix Timestamp PinsussAnonymous29-Apr-05 22:22 
GeneralRe: DateTime to Unix Timestamp PinmemberMikkel Rostock29-Apr-05 22:24 
GeneralExample is incorrect PinmemberDavid Palmer18-Apr-05 6:18 
GeneralAddSeconds Pinmemberbsieber11-Apr-05 2:29 
GeneralRe: AddSeconds PinmemberMikkel Rostock11-Apr-05 2:39 

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