diff --git a/components/clock/face.jsx b/components/clock/face.jsx
index 0ccc9626..2525abee 100644
--- a/components/clock/face.jsx
+++ b/components/clock/face.jsx
@@ -1,7 +1,10 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const css = require('./style');
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'Face',
 
   getDefaultProps () {
@@ -13,39 +16,39 @@ module.exports = React.createClass({
     };
   },
 
-  _numberStyle (radius, num) {
+  numberStyle (rad, num) {
     return {
       position: 'absolute',
-      left: (radius + radius * Math.sin(360 * (Math.PI / 180) / 12 * (num - 1)) + this.props.spacing),
-      top: (radius - radius * Math.cos(360 * (Math.PI / 180) / 12 * (num - 1)) + this.props.spacing)
+      left: (rad + rad * Math.sin(360 * (Math.PI / 180) / 12 * (num - 1)) + this.props.spacing),
+      top: (rad - rad * Math.cos(360 * (Math.PI / 180) / 12 * (num - 1)) + this.props.spacing)
     };
   },
 
-  _faceStyle () {
+  faceStyle () {
     return {
       height: this.props.radius * 2,
       width: this.props.radius * 2
     };
   },
 
+  renderNumber (number, idx) {
+    return (
+      <span className={css.number + (number === this.props.active ? ' active' : '')}
+            style={this.numberStyle(this.props.radius - this.props.spacing, idx + 1)}
+            key={number}>
+        { this.props.twoDigits ? ('0' + number).slice(-2) : number }
+      </span>
+    );
+  },
+
   render () {
     return (
       <div ref="root"
            className={css.face}
            onTouchStart={this.props.onTouchStart}
            onMouseDown={this.props.onMouseDown}
-           style={this._faceStyle()}>
-        {
-          this.props.numbers.map((i, k) => {
-            return (
-              <span className={css.number + (i === this.props.active ? ' active' : '')}
-                    style={this._numberStyle(this.props.radius - this.props.spacing, k + 1)}
-                    key={i}>
-                { this.props.twoDigits ? ('0' + i).slice(-2) : i }
-              </span>
-            );
-          })
-        }
+           style={this.faceStyle()}>
+        { this.props.numbers.map(this.renderNumber)}
       </div>
     );
   }
diff --git a/components/clock/hand.jsx b/components/clock/hand.jsx
index 7c39b375..ae0c933d 100644
--- a/components/clock/hand.jsx
+++ b/components/clock/hand.jsx
@@ -1,8 +1,11 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const css = require('./style');
 const utils = require('../utils');
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'Hand',
 
   propTypes: {
@@ -40,14 +43,14 @@ module.exports = React.createClass({
     }
   },
 
-  _getMouseEventMap () {
+  getMouseEventMap () {
     return {
       mousemove: this.onMouseMove,
       mouseup: this.onMouseUp
     };
   },
 
-  _getTouchEventMap () {
+  getTouchEventMap () {
     return {
       touchmove: this.onTouchMove,
       touchend: this.onTouchEnd
@@ -55,56 +58,56 @@ module.exports = React.createClass({
   },
 
   onMouseMove (event) {
-    this._move(utils.events.getMousePosition(event));
+    this.move(utils.events.getMousePosition(event));
   },
 
   onTouchMove (event) {
-    this._move(utils.events.getTouchPosition(event));
+    this.move(utils.events.getTouchPosition(event));
   },
 
   onMouseUp () {
-    this._end(this._getMouseEventMap());
+    this.end(this.getMouseEventMap());
   },
 
   onTouchEnd () {
-    this._end(this._getTouchEventMap());
+    this.end(this.getTouchEventMap());
   },
 
   mouseStart (event) {
-    utils.events.addEventsToDocument(this._getMouseEventMap());
-    this._move(utils.events.getMousePosition(event));
+    utils.events.addEventsToDocument(this.getMouseEventMap());
+    this.move(utils.events.getMousePosition(event));
   },
 
   touchStart (event) {
-    utils.events.addEventsToDocument(this._getTouchEventMap());
-    this._move(utils.events.getTouchPosition(event));
+    utils.events.addEventsToDocument(this.getTouchEventMap());
+    this.move(utils.events.getTouchPosition(event));
     utils.events.pauseEvent(event);
   },
 
-  _getPositionRadius (position) {
+  getPositionRadius (position) {
     let x = this.props.origin.x - position.x;
     let y = this.props.origin.y - position.y;
     return Math.sqrt(x * x + y * y);
   },
 
-  _trimAngleToValue (angle) {
+  trimAngleToValue (angle) {
     return this.props.step * Math.round(angle / this.props.step);
   },
 
-  _positionToAngle (position) {
+  positionToAngle (position) {
     return utils.angle360FromPositions(this.props.origin.x, this.props.origin.y, position.x, position.y);
   },
 
-  _end (events) {
+  end (events) {
     if (this.props.onHandMoved) this.props.onHandMoved();
     utils.events.removeEventsFromDocument(events);
   },
 
-  _move (position) {
-    let degrees = this._trimAngleToValue(this._positionToAngle(position));
+  move (position) {
+    let degrees = this.trimAngleToValue(this.positionToAngle(position));
     degrees = degrees === 360 ? 0 : degrees;
     if (this.state.angle !== degrees) this.setState({angle: degrees});
-    if (this.props.onHandMove) this.props.onHandMove(this._getPositionRadius(position));
+    if (this.props.onHandMove) this.props.onHandMove(this.getPositionRadius(position));
   },
 
   render () {
diff --git a/components/clock/hours.jsx b/components/clock/hours.jsx
index bc290caa..3064f6c4 100644
--- a/components/clock/hours.jsx
+++ b/components/clock/hours.jsx
@@ -1,4 +1,5 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const utils = require('../utils');
 
 const Face = require('./face');
@@ -9,6 +10,8 @@ const innerNumbers = [12, ...utils.range(1, 12)];
 const step = 360 / 12;
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'Hours',
 
   propTypes: {
@@ -24,26 +27,26 @@ module.exports = React.createClass({
     };
   },
 
-  _onHandMove (radius) {
+  onHandMove (radius) {
     let currentInner = radius < this.props.radius - this.props.spacing * 2;
     if (this.props.format === '24hr' && this.state.inner !== currentInner) {
       this.setState({inner: currentInner});
     }
   },
 
-  _onHandChange (degrees) {
-    this.props.onChange(this._valueFromDegrees(degrees));
+  onHandChange (degrees) {
+    this.props.onChange(this.valueFromDegrees(degrees));
   },
 
-  _onMouseDown (event) {
+  onMouseDown (event) {
     this.refs.hand.mouseStart(event);
   },
 
-  _onTouchStart (event) {
+  onTouchStart (event) {
     this.refs.hand.touchStart(event);
   },
 
-  _valueFromDegrees (degrees) {
+  valueFromDegrees (degrees) {
     if (this.props.format === 'ampm' || this.props.format === '24hr' && this.state.inner) {
       return innerNumbers[degrees / step];
     } else {
@@ -55,8 +58,8 @@ module.exports = React.createClass({
     if (this.props.format === '24hr') {
       return (
         <Face
-          onTouchStart={this._onTouchStart}
-          onMouseDown={this._onMouseDown}
+          onTouchStart={this.onTouchStart}
+          onMouseDown={this.onMouseDown}
           numbers={innerNumbers}
           spacing={this.props.spacing}
           radius={innerRadius}
@@ -72,8 +75,8 @@ module.exports = React.createClass({
     return (
       <div>
           <Face
-            onTouchStart={this._onTouchStart}
-            onMouseDown={this._onMouseDown}
+            onTouchStart={this.onTouchStart}
+            onMouseDown={this.onMouseDown}
             numbers={is24hr ? outerNumbers : innerNumbers}
             spacing={spacing}
             radius={radius}
@@ -83,9 +86,9 @@ module.exports = React.createClass({
           <Hand ref='hand'
             initialAngle={selected * step}
             length={(this.state.inner ? radius - spacing * 2 : radius) - spacing}
-            onHandMove={this._onHandMove}
+            onHandMove={this.onHandMove}
             onHandMoved={onHandMoved}
-            onHandChange={this._onHandChange}
+            onHandChange={this.onHandChange}
             origin={center}
             step={step} />
       </div>
diff --git a/components/clock/index.jsx b/components/clock/index.jsx
index 53cdd9d6..fbcfcab2 100644
--- a/components/clock/index.jsx
+++ b/components/clock/index.jsx
@@ -1,4 +1,5 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const css = require('./style');
 const time = require('../utils/time');
 
@@ -6,6 +7,8 @@ const Hours = require('./hours');
 const Minutes = require('./minutes');
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'Clock',
 
   propTypes: {
@@ -44,7 +47,7 @@ module.exports = React.createClass({
 
   onHourChange (hours) {
     if (this.state.time.getHours() !== hours) {
-      const newTime = time.setHours(this.state.time, this._adaptHourToFormat(hours));
+      const newTime = time.setHours(this.state.time, this.adaptHourToFormat(hours));
       this.setState({time: newTime});
       if (this.props.onChange) this.props.onChange(newTime);
     }
@@ -52,13 +55,19 @@ module.exports = React.createClass({
 
   onMinuteChange (minutes) {
     if (this.state.time.getMinutes() !== minutes) {
-      let newTime = time.setMinutes(this.state.time, minutes);
+      const newTime = time.setMinutes(this.state.time, minutes);
       this.setState({time: newTime});
       if (this.props.onChange) this.props.onChange(newTime);
     }
   },
 
-  _adaptHourToFormat (hour) {
+  toggleTimeMode () {
+    const newTime = time.toggleTimeMode(this.state.time);
+    this.setState({time: newTime});
+    if (this.props.onChange) this.props.onChange(newTime);
+  },
+
+  adaptHourToFormat (hour) {
     if (this.props.format === 'ampm') {
       if (time.getTimeMode(this.state.time) === 'pm') {
         return hour < 12 ? hour + 12 : hour;
@@ -78,10 +87,6 @@ module.exports = React.createClass({
     });
   },
 
-  toggleTimeMode () {
-    this.setState({time: time.toggleTimeMode(this.state.time)});
-  },
-
   renderHours () {
     return (
       <Hours
diff --git a/components/clock/minutes.jsx b/components/clock/minutes.jsx
index d693419d..47217710 100644
--- a/components/clock/minutes.jsx
+++ b/components/clock/minutes.jsx
@@ -1,4 +1,5 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const utils = require('../utils');
 
 const Face = require('./face');
@@ -8,6 +9,8 @@ const minutes = utils.range(0, 60, 5);
 const step = 360 / 60;
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'Minutes',
 
   propTypes: {
@@ -22,15 +25,15 @@ module.exports = React.createClass({
     };
   },
 
-  _onHandChange (degrees) {
+  onHandChange (degrees) {
     this.props.onChange(degrees / step);
   },
 
-  _onMouseDown (event) {
+  onMouseDown (event) {
     this.refs.hand.mouseStart(event);
   },
 
-  _onTouchStart (event) {
+  onTouchStart (event) {
     this.refs.hand.touchStart(event);
   },
 
@@ -38,8 +41,8 @@ module.exports = React.createClass({
     return (
       <div>
         <Face
-          onTouchStart={this._onTouchStart}
-          onMouseDown={this._onMouseDown}
+          onTouchStart={this.onTouchStart}
+          onMouseDown={this.onMouseDown}
           numbers={minutes}
           spacing={this.props.spacing}
           radius={this.props.radius}
@@ -49,7 +52,7 @@ module.exports = React.createClass({
           className={minutes.indexOf(this.props.selected) === -1 ? 'smallKnob' : ''}
           initialAngle={this.props.selected * step}
           length={this.props.radius - this.props.spacing}
-          onHandChange={this._onHandChange}
+          onHandChange={this.onHandChange}
           origin={this.props.center}
           step={step} />
       </div>
diff --git a/components/time_picker/dialog.jsx b/components/time_picker/dialog.jsx
index 9bc0fc87..5c811713 100644
--- a/components/time_picker/dialog.jsx
+++ b/components/time_picker/dialog.jsx
@@ -1,4 +1,5 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const css = require('./style');
 const time = require('../utils/time');
 
@@ -6,6 +7,8 @@ const Clock = require('../clock');
 const Dialog = require('../dialog');
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'TimePickerDialog',
 
   propTypes: {
@@ -61,10 +64,10 @@ module.exports = React.createClass({
 
   show () {
     this.refs.dialog.show();
-    setTimeout(this.refs.clock.calculateShape, 500);
+    setTimeout(this.refs.clock.calculateShape, 1000);
   },
 
-  _formatHours () {
+  formatHours () {
     if (this.props.format === 'ampm') {
       return this.state.time.getHours() % 12 || 12;
     } else {
@@ -89,7 +92,7 @@ module.exports = React.createClass({
       <Dialog ref="dialog" className={className} type={css.dialog} actions={this.state.actions}>
         <header className={css.header}>
           <span className={css.hours} onClick={this.displayHours}>
-            { ('0' + this._formatHours()).slice(-2) }
+            { ('0' + this.formatHours()).slice(-2) }
           </span>
           <span className={css.separator}>:</span>
           <span className={css.minutes} onClick={this.displayMinutes}>
diff --git a/components/time_picker/index.jsx b/components/time_picker/index.jsx
index 6d93bd24..a27d0602 100644
--- a/components/time_picker/index.jsx
+++ b/components/time_picker/index.jsx
@@ -1,10 +1,13 @@
 const React = window.React;
+const PureRenderMixin = require('react/addons').addons.PureRenderMixin;
 const time = require('../utils/time');
 
 const Input = require('../input');
 const TimeDialog = require('./dialog');
 
 module.exports = React.createClass({
+  mixins: [PureRenderMixin],
+
   displayName: 'TimePicker',
 
   propTypes: {