//Merci Jath : http://japh.com.au/html/time-sensitive-css/
$(document).ready(function () {
    var currentDate = new Date();
    var currentHour = currentDate.getHours();

    var newCSS = document.createElement('link');
    newCSS.type = 'text/css';
    newCSS.rel = 'stylesheet';

    if (currentHour < 8 || currentHour >= 20) {
        newCSS.href = 'wp-content/themes/Sharpfolio/style_nuit.css';
    }
    else {
        newCSS.href = 'wp-content/themes/Sharpfolio/style.css';
    }
    $("head").append(newCSS);
 
});