这个js倒计时计算到天、小时、分钟、秒钟，很详细的倒计时，实用倒计时网页特效，结合自己的 需求来修改即可。
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function getTime() {
now = new Date();
y2k = new Date("Jan 1 2060 14:00:00");
days = (y2k - now) / 1000 / 60 / 60 / 24;
daysRound = Math.floor(days);
hours = (y2k - now) / 1000 / 60 / 60 - (24 * daysRound);
hoursRound = Math.floor(hours);
minutes = (y2k - now) / 1000 /60 - (24 * 60 * daysRound) - (60 * hoursRound);
minutesRound = Math.floor(minutes);
seconds = (y2k - now) / 1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound);
secondsRound = Math.round(seconds);
sec = (secondsRound == 1) ? " second." : " seconds.";
min = (minutesRound == 1) ? " minute" : " minutes, ";
hr = (hoursRound == 1) ? " hour" : " hours, ";
dy = (daysRound == 1) ? " day" : " days, "
document.timeForm.input1.value = "剩余时间: " + daysRound + dy + hoursRound + hr + minutesRound + min + secondsRound + sec;
newtime = window.setTimeout("getTime();", 1000);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
// End -->
</script>
<body bgcolor="#fef4d9" onLoad="getTime()">
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<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
距离: Jan 1, 2060 2:00:00 p.m.
<form name=timeForm>
<input type=text name=input1 size=70 border-style="none" style="border-bottom: 0px solid; border-left: 0px solid;border-right: 0px solid;border-top: 0px solid;font:12px arial, helvetica,sans-serif">
</form>
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