Convert dateTime to ISO format yyyy-mm-dd hh mm ss in C

Question

Is there a standard way in  NET C  to convert a datetime object to ISO 8601 format yyyy-mm-dd hh mm ss   Or do I need to do some string manipulation to get the date string

User · Answer

To add a little bit more information that confused me; I had always thought the same result could be achieved like so;

theDate.ToString("yyyy-MM-dd HH:mm:ss")

However, If your Current Culture doesn't use a colon(:) as the hour separator, and instead uses a full-stop(.) it could return as follow:

2009-06-15 13.45.30

Just wanted to add why the answer provided needs to be as it is;

theDate.ToString("yyyy-MM-dd HH':'mm':'ss")

:-)

User · Answer

date ToString  o      The Round-trip   O    o   Format Specifier date ToString  s      The Sortable   s   Format Specifier  conforming to ISO86801   MSDN Standard Date and Time Format Strings

User · Answer

There is no standard format for the readable 8601 format  You can use a custom format   theDate ToString  yyyy-MM-dd HH   mm   ss      The standard format  s  will give you a  T  between the date and the time  not a space

User · Answer

For those who are using this format all the timme like me I did an extension method  I just wanted to share because I think it can be usefull to you             lt summary gt          Convert a date to a human readable ISO datetime format  ie  2012-12-12 23 01 12         this method must be put in a static class  This will appear as an available function         on every datetime objects if your static class namespace is declared           lt  summary gt      public static string ToIsoReadable this DateTime dateTime                return dateTime ToString  yyyy-MM-dd HH   mm   ss

User · Answer

The DateTime  ToString   method has a string formatter that can be used to output datetime in any required format  See DateTime ToString Method  String  for more information

User · Answer

To use the strict ISO8601  you can use the s  Sortable  format string    myDate ToString  s       example 2009-06-15T13 45 30   It s a short-hand to this custom format string   myDate ToString  yyyy - MM - dd T HH   mm   ss      And of course  you can build your own custom format strings   More info    Standard Date and Time format strings Custom Date and Time Format Strings

[c#] Convert dateTime to ISO format yyyy-mm-dd hh:mm:ss in C#

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