how to count server response time from client ??

[Leon]

.....in not use NTP(network time protocol) Protocols,do it
"Leon" <square690410 at yahoo.com.tw> ¼¶¼g©ó¶l¥ó·s»D:cma9fb$kru$1 at netnews.hinet.net...
>I want to write a web test tool(HTTP Protocols)
> I use header 'Date' do obtin server response time
> but client and server time clock is different
> how to count server and client time clock  interval or discrepancy
> Can obtin server receive time ????
>
> thank everybody...
>