public static String formatCountdownTime(long l) {
		String out = "";
		if (l >= 3600) {
			int h = (int) Math.floor(l / 3600);
			out += h + " hours";
			l -= h * 3600;
		}
		if (l >= 60) {
			int m = (int) Math.floor(l / 60);
			out += (out.length() > 0 ? out += ", " : "") + m + " minutes";
			l -= m * 60;
		}
		if (out.length() == 0 || l > 0)
			out += (out.length() > 0 ? out += ", " : "") + l + " seconds";
		return out;
	}