HTML <time> datetime Attribute
Example
A time element with a machine-readable datetime attribute:
    <p>I have a date on <time datetime="2017-02-14">Valentines day</time>.</p>
Try it Yourself »
Definition and Usage
The datetime attribute represent the machine-readable date/time of the <time> element.
Examples of legal dates and times:
  Dates:
<time datetime="1914">   <!-- means the year 1914 -->
<time datetime="1914-12">   <!-- means December 1914 -->
<time datetime="1914-12-20">   <!-- means 20 December 1914 -->
<time datetime="12-20">   <!-- means 20 December any year -->
<time datetime="1914-W15">   <!-- means week 15 of year 1914 -->
Date and Times:
<time datetime="1914-12-20T08:00">   <!-- means 20 December 1914 at 8am -->
<time datetime="1914-12-20  08:00">  <!-- also means 20 December 1914 at 8am -->
<time datetime="1914-12-20  08:30:45">  <!-- with minutes and seconds -->
<time datetime="1914-12-20  08:30:45.687">  <!-- with minutes, seconds, and  milliseconds -->
Times:
<time datetime="08:00">   <!-- means 8am -->
<time datetime="08:00-03:00">   <!-- means 8am in Rio de Janeiro (UTC-3 hours)  -->
<time datetime="08:00+03:00">   <!-- means 8am in Madagascar (UTC+3 hours)  -->
  Durations:
<time datetime="P2D">  <!--  means a duration of 2 days -->
<time datetime="PT15H10M">   <!-- means a duration of 15 hours and 10 minutes -->Browser Support
| Attribute | |||||
|---|---|---|---|---|---|
| datetime | Yes | Yes | Yes | Yes | Yes | 
Differences Between HTML 4.01 and HTML5
The <time> tag is new in HTML5.
Syntax
  <time datetime="YYYY-MM-DDThh:mm:ssTZD">
Attribute Values
| Value | Description | 
|---|---|
| YYYY-MM-DDThh:mm:ssTZD or PTDHMS  | 
    The date or time being specified. Explanation of components:
  | 
  
❮ HTML <time> tag

