HTML <del> datetime Attribute
A deleted text, with a date and time of when the text was deleted:
<del datetime="2015-11-15T22:55:03Z">This text has been deleted</del>
Definition and Usage
The datetime attribute specifies the date and time when the text was deleted.
Note: The datetime attribute has no visual effect in ordinary web browsers, but can be used by screen readers.
Differences Between HTML 4.01 and HTML5
|YYYY-MM-DDThh:mm:ssTZD||The date and time of when the text was deleted.
Explanation of components:
HTML <del> tag