<!DOCTYPE html>
<html lang="en">
<head>
<title>Time zone and daylight saving time data</title>
<meta charset="UTF-8">
<style>
pre {margin-left: 2em; white-space: pre-wrap;}
</style>
</head>
<body>
<h1>Time zone and daylight saving time data</h1>
<p>
<a href="https://en.wikipedia.org/wiki/Time_zone">Time zone</a> and
<a href="https://en.wikipedia.org/wiki/Daylight_saving_time">daylight-saving</a>
rules are controlled by individual
governments. They are sometimes changed with little notice, and their
historie