Edit in JSFiddle

FusionCharts.ready(function () {
    var timeShiftChart = new FusionCharts({
        type: 'gantt',
        renderAt: 'chart-container',
        width: '650',
        height: '400',
        dataFormat: 'json',
        dataSource: {
            "chart": {
                "dateformat": "mm/dd/yyyy",
                "outputdateformat": "hh:mn",
                "caption": "Development Division - Work Schedule",
                "canvasBorderAlpha" : "30",
                "ganttWidthPercent": "100",
                "useVerticalScrolling": "0",
                "theme" : "fint"
            },
            "categories": [
                {
                    "category": [
                        {
                            "start": "7/15/2014 00:00:00",
                            "end": "7/15/2014 23:59:59",
                            "label": "Today"
                        },
                        {
                            "start": "7/16/2014 00:00:00",
                            "end": "7/16/2014 23:59:59",
                            "label": "Tomorrow"
                        }
                    ]
                },
                {
                    "align": "right",
                    "category": [
                        {
                            "start": "7/15/2014 00:00:00",
                            "end": "7/15/2014 05:59:59",
                            "label": "6 am"
                        },
                        {
                            "start": "7/15/2014 06:00:00",
                            "end": "7/15/2014 11:59:59",
                            "label": "12 pm"
                        },
                        {
                            "start": "7/15/2014 12:00:00",
                            "end": "7/15/2014 17:59:59",
                            "label": "6 pm"
                        },
                        {
                            "start": "7/15/2014 18:00:00",
                            "end": "7/15/2014 23:59:59",
                            "label": "Midnight"
                        },
                        {
                            "start": "7/16/2014 00:00:00",
                            "end": "7/16/2014 05:59:59",
                            "label": "6 am"
                        },
                        {
                            "start": "7/16/2014 06:00:00",
                            "end": "7/16/2014 11:59:59",
                            "label": "12 pm"
                        },
                        {
                            "start": "7/16/2014 12:00:00",
                            "end": "7/16/2014 17:59:59",
                            "label": "6 pm"
                        },
                        {
                            "start": "7/16/2014 18:00:00",
                            "end": "7/16/2014 23:59:59",
                            "label": "Midnight"
                        }
                    ]
                }
            ],
            "processes": {
                "fontsize": "12",
                "isbold": "1",
                "align": "left",
                "headertext": "Employee",
                "headerfontsize": "14",
                "headervalign": "middle",
                "headeralign": "left",
                "process": [
                    {
                        "label": "John S.",
                        "id": "EMP121"
                    },
                    {
                        "label": "David G.",
                        "id": "EMP122"
                    },
                    {
                        "label": "Mary P.",
                        "id": "EMP123"
                    },
                    {
                        "label": "Andrew H.",
                        "id": "EMP124"
                    },
                    {
                        "label": "Neil M.",
                        "id": "EMP125"
                    }
                ]
            },
            "tasks": {
                "showlabels": "1",
                "showstartdate": "1",
                "task": [
                    {
                        "processid": "EMP121",
                        "start": "7/15/2014 08:00:00",
                        "end": "7/15/2014 12:30:00",
                        "label": "Logo A"
                    },
                    {
                        "processid": "EMP121",
                        "start": "7/15/2014 17:00:00",
                        "end": "7/15/2014 19:30:00",
                        "label": "Logo B"
                    },
                    {
                        "processid": "EMP121",
                        "start": "7/16/2014 09:00:00",
                        "end": "7/16/2014 19:30:00",
                        "label": "Website template"
                    },
                    {
                        "processid": "EMP122",
                        "start": "7/15/2014 10:00:00",
                        "end": "7/15/2014 20:30:00",
                        "label": "PHP Blueprint"
                    },
                    {
                        "processid": "EMP122",
                        "start": "7/16/2014 10:00:00",
                        "end": "7/16/2014 20:30:00",
                        "label": "PHP Blueprint"
                    },
                    {
                        "processid": "EMP123",
                        "start": "7/15/2014 08:00:00",
                        "end": "7/15/2014 12:00:00",
                        "label": "L1 Support"
                    },
                    {
                        "processid": "EMP123",
                        "start": "7/16/2014 15:00:00",
                        "end": "7/16/2014 21:30:00",
                        "label": "L1 Support"
                    },
                    {
                        "processid": "EMP124",
                        "start": "7/15/2014 08:00:00",
                        "end": "7/15/2014 20:30:00",
                        "label": "L2 support"
                    },
                    {
                        "processid": "EMP124",
                        "start": "7/16/2014 08:00:00",
                        "end": "7/16/2014 20:30:00",
                        "label": "L2 support"
                    },
                    {
                        "processid": "EMP125",
                        "start": "7/15/2014 10:00:00",
                        "end": "7/15/2014 14:30:00",
                        "label": "Network Maintenance"
                    },
                    {
                        "processid": "EMP125",
                        "start": "7/16/2014 12:00:00",
                        "end": "7/16/2014 14:30:00",
                        "label": "System OS Updates"
                    }
                ]
            }
        }
    }).render();
});
<!-- Date and Time Based Gantt chart -->
<div id="chart-container">FusionCharts will render here</div>