dynmap/web/js/minecraft.js

function createMinecraftHead(player,size,completed,failed) {
	var faceImage = new Image();
	faceImage.onload = function() {
		completed(faceImage);
	};
	faceImage.onerror = function() {
		failed();
	};
	faceImage.src = dynmap.options.tileUrl + 'faces/' + size + 'x' + size + '/' + player + '.png';
}

function getMinecraftHead(player,size,completed) {
	createMinecraftHead(player, size, completed, function() {
		console.error('Failed to retrieve face of "', player, '" with size "', size, '"!')
	});
}

function getMinecraftTime(servertime) {
	servertime = parseInt(servertime);
	var day = servertime >= 0 && servertime < 13700;
	return {
		servertime: servertime,
		days: parseInt((servertime+8000) / 24000),
		
		// Assuming it is day at 8:00
		hours: (parseInt(servertime / 1000)+8) % 24,
		minutes: parseInt(((servertime / 1000) % 1) * 60),
		seconds: parseInt(((((servertime / 1000) % 1) * 60) % 1) * 60),
		
		day: day,
		night: !day
	};
}