Phaser.Timer is now feature complete and fully documented. You can create Phaser.TimerEvents on a Timer and lots of new examples have been provided.

examples/time/basic timed event.js

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+
+var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, render: render });
+
+function preload() {
+
+    game.load.image('bisley', 'assets/pics/alex-bisleys_horsy_5.png');
+
+}
+
+var picture;
+
+function create() {
+
+    game.stage.backgroundColor = '#6688ee';
+
+    picture = game.add.sprite(game.world.centerX, game.world.centerY, 'bisley');
+    picture.anchor.setTo(0.5, 0.5);
+
+    //  Here we'll create a basic timed event. This is a one-off event, it won't repeat or loop:
+    //  The first parameter is how long to wait before the event fires. In this case 4 seconds (you could pass in 4000 as the value as well.)
+    //  The next parameter is the function to call ('fadePicture') and finally the context under which that will happen.
+
+    game.time.events.add(Phaser.Timer.SECOND * 4, fadePicture, this);
+
+}
+
+function fadePicture() {
+
+    game.add.tween(picture).to( { alpha: 0 }, 2000, Phaser.Easing.Linear.None, true);
+
+}
+
+function render() {
+
+    game.debug.renderText("Time until event: " + game.time.events.duration, 32, 32);
+
+}