■スクリプト
<HTML> <HEAD> <TITLE>Sample</TITLE> </HEAD> <BODY bgColor="white"> <CENTER> <H1>getTimezoneOffset</H1> </CENTER> <P> <SCRIPT Language="JavaScript"> <!-- myDate = new Date(); localTime = myDate.getTimezoneOffset()/60; alert("時差は",localTime,"です。"); // --> </SCRIPT> </BODY></HTML>