How to get current time in jsp page?

my problem is :-
i have a radio buttons with name as 9am, 11am ,1pm, 3pm , 5pm , 7pm , 9pm , 11pm , 1am , 3am ,5am 7am. what ever the current time may be the radio button of four hour plus than current time should be atomatically checked and previous radio buttons should be disabled. for example suppose current time is 11.02am than the radio button of 3pm should be automatically checked and previous radio buttons should be disabled.
please help me if u can?

This should work but it needs testing out around midnight ( not sure if it is 00:00 or 24:00):
<%@ page import="java.util.*" %>
<html>
<head><title>Time Page</title>
</head>
<body>
<% Calendar c = Calendar.getInstance();
   c.add(Calendar.HOUR_OF_DAY, 4);
   int h = c.get(Calendar.HOUR_OF_DAY); %>
The current hour is <%= h %><br>
<% for (int i=0; i < 24; i++) { %>
   <input type=radio name=time <%= (i < h) ? "disabled" : ""%><%= (i == h) ? "checked" : ""%>><%= (i < 10) ? "0" : ""%><%= i %>:00<br>
<% } %>
</body>
</html>

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