Given a DateTime object, how do I get an ISO 8601 date in string format?
Given:
DateTime.UtcNow
How do I get a string which represents the same value in an ISO 8601-compliant format?
Note that ISO 8601 defines a number of similar formats. The specific format I am looking for is:
yyyy-MM-ddTHH:mm:ssZ
DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffffffzzz");
This gives you a date similar to 2008-09-22T13:57:31.2311892-04:00 .
Another way is:
DateTime.UtcNow.ToString("o");
which gives you 2008-09-22T14:01:54.9571247Z
To get the specified format, you can use:
DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ssZ")
DateTime Formatting Options
DateTime.UtcNow.ToString("s", System.Globalization.CultureInfo.InvariantCulture) should give you what you are looking for as the "s" format specifier is described as a sortable date/time pattern; conforms to ISO 8601.
DateTime.UtcNow.ToString("s")
Returns something like 2008-04-10T06:30:00
UtcNow obviously returns a UTC time so there is no harm in:
string.Concat(DateTime.UtcNow.ToString("s"), "Z")
上一篇: 如何解析ISO 8601