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@GeekBoySupreme
Last active Jan 14, 2022
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Supertime.js is a micro-library that takes time in whatever zone be, and converts it to the user's local time.
<html>
<head>
<title>Supertime Demo</title>
</head>
<body>
<span class="supertime" data-timezone="UTC+2">12:00</span>
<script src="https://bit.ly/supertimejs"></script>
</body>
</html>
var times = document.getElementsByClassName("supertime");
for (var i = 0; i < times.length; i++) {
var timezone = times[i].dataset.timezone;
var timeoffset = calculatetimeoffset(timezone.substring(4));
var flag = "add";
var giventime = times[i].innerHTML;
if (timezone.charAt(3) == "+") {
flag = "subtract";
}
giventime = absolutetime(giventime);
var utctime;
if (flag == "add") {
utctime = giventime + timeoffset;
} else {
utctime = giventime - timeoffset;
}
var utcoffset = new Date().getTimezoneOffset();
var adjustedtime = utctime - utcoffset;
times[i].innerHTML = formatTime(adjustedtime);
}
function calculatetimeoffset(timestring) {
var time_division = timestring.split(":");
var offset;
if (time_division.length > 1) {
offset = parseInt(time_division[0]) * 60 + parseInt(time_division[1]);
} else {
offset = parseInt(time_division[0]) * 60;
}
return offset;
}
function absolutetime(timestring_2) {
var time_division_1 = timestring_2.split(":");
var absolute;
if (time_division_1.length > 1) {
absolute = parseInt(time_division_1[0]) * 60 + parseInt(time_division_1[1]);
} else {
absolute = parseInt(time_division[0]) * 60;
}
return absolute;
}
function formatTime(settime) {
var hours = Math.floor(settime / 60);
var minutes = settime % 60;
newtime = hours + ":" + minutes;
return newtime;
}
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