wegas,
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body><div id = 'show'></div>
<script>
Date.prototype.setTimezoneOffset = function(minutes) {
var _minutes;
if (this.timezoneOffset == _minutes) {
_minutes = this.getTimezoneOffset();
} else {
_minutes = this.timezoneOffset;
}
if (arguments.length) {
this.timezoneOffset = minutes;
} else {
this.timezoneOffset = minutes = this.getTimezoneOffset();
}
return this.setTime(this.getTime() + (_minutes - minutes) * 6e4);
};
function two(a) {
return (9 < a ? "" : "0") + a
}
function formatTime(a) {
a = Math.floor(a / 1E3);
var c = Math.floor(a / 60),
d = Math.floor(c / 60);
a %= 60;
c %= 60;
return two(d) + " : " + two(c) + " : " + two(a)
}
function Time() {
var a = new Date;
a.setTimezoneOffset(-180);
var ms = a.getTime();
var c = [{
t: "Занятия завершены",
h: 0,
m: 00,
h2: 7,
m2: 10
},
{
t: "До начала 1 урока",
h: 8,
m: 00,
h2: 8,
m2: 45
},
{
t: "До окончания 1 урока(перемена)",
h: 8,
m: 45,
h2: 8,
m2: 55
},
{
t: "Занятия завершены",
h: 17,
m: 00,
h2: 23,
m2: 59
},
{
t: "До начала 15 урока",
h: 20,
m: 00,
h2: 22,
m2: 30
},
];
c = c.filter(function(v) {
a.setHours(v.h, v.m, 0, 0)
var from = a.getTime();
a.setHours(v.h2, v.m2, 0, 0);
var to = a.getTime();
v.time = to - ms;
return from < ms && ms < to
})
var html = c.reduce(function(html, v) {
return html += v.t + " по Москве до " + v.h2 + ":" + v.m2 + " осталось " + formatTime(v.time) + "<br>";
}, "")
document.getElementById("show").innerHTML = html || "сейчас нет событий";
window.setTimeout(Time, 1E3)
};
Time()
</script>
</body>
</html>