<!DOCTYPE html>
<html>
<body>
<p>
Depending on browser support:<br>
A date picker can pop-up when you enter the input field.
</p>
<form action="action_page.php">
Birthday (date and time):
<input type="datetime" name="bdaytime">
<input type="submit">
</form>
<p><b>Note:</b> type="datetime" is not supported in Chrome, Firefox, or Internet Explorer.</p>
</body>
</html>