date_component 0.4.8

the missed date_component with chrono. calculate date interval with chrono.
Documentation 
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta http-equiv="refresh" content="0;URL=macro.expect.html">
    <title>Redirection</title>
</head>
<body>
    <p>Redirecting to <a href="macro.expect.html">macro.expect.html</a>...</p>
    <script>location.replace("macro.expect.html" + location.search + location.hash);</script>
</body>
</html>