How to Get ISO 8601 Date Strings from DateTime Objects in C#?

C# DATETIME object generates the ISO 8601 date string

In C#, the

class provides a method of multiple formatting dates and time values. When dealing with internationalization, be sure to consider the ISO 8601 standard, which defines a variety of consistent date and time format.

DateTime To obtain the date string that meets the ISO 8601 standard (the specific format is "YYYYY-MM-DDThh: MM: SSZ"), you can use two methods:

Formatting date time formatting (not recommended)

Although can be used to formatting, it is not recommended because it may have problems when the decimal second accuracy may be treated. The following code fragment demonstrates this method:

Formatting (recommended) ToString

<code class="language-csharp">DateTime.UtcNow.ToString("yyyy-MM-ddTHH\:mm\:ss.fffffffzzz", CultureInfo.InvariantCulture);</code>

A more reliable method is to use the "round -trip" formatting option ("o"):

This will provide the ISO 8601 format and follow the agreement of the .NET framework. The generated string is usually similar to "2008-09-22T14: 01: 54.9571247z".

Customized formatting for a specific format

<code class="language-csharp">DateTime.UtcNow.ToString("o", CultureInfo.InvariantCulture);</code>

If you particularly need "yyyy-mm-ddthh: mm: ssz" format, you can use:

This method ensures that the time part is formatted by following the "Z" to indicate UTC time.

The above is the detailed content of How to Get ISO 8601 Date Strings from DateTime Objects in C#?. For more information, please follow other related articles on the PHP Chinese website!