DurationPicker example: 

```js
initialState = {
  duration: { hours: 10, minutes: 15}
};


<DurationPicker
    value={state.duration}
    onChange={duration => setState({ duration })}
/>

```

5 minute increments

```js
initialState = {
  duration: { hours: 10, minutes: 15}
};


<DurationPicker
    value={state.duration}
    onChange={duration => setState({ duration })}
    minuteIncrements={5}
/>

```