diff --git a/CHANGELOG.md b/CHANGELOG.md
index d079114..93ec907 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
+## 1.1.0
+ * Added ability to use hours, minutes and seconds in a 'duration'
 ## 1.0.2
  * Fixed tooltip date format not respected
 ## 1.0.1
-* Fixed start date calculation
\ No newline at end of file
+ * Fixed start date calculation
\ No newline at end of file
diff --git a/capabilities.json b/capabilities.json
index 6717572..f5016c0 100644
--- a/capabilities.json
+++ b/capabilities.json
@@ -186,6 +186,34 @@
                     "type": {
                         "bool": true
                     }
+                },
+                "durationUnit": {
+                    "displayName": "Duration unit",
+                    "displayNameKey": "Visual_DurationUnit",
+                    "type": {
+                        "enumeration": [
+                            {
+                                "value": "day",
+                                "displayName": "Days",
+                                "displayNameKey": "Visual_DurationUnit_Days"
+                            },
+                            {
+                                "value": "hour",
+                                "displayName": "Hours",
+                                "displayNameKey": "Visual_DurationUnit_Hours"
+                            },
+                            {
+                                "value": "minute",
+                                "displayName": "Minutes",
+                                "displayNameKey": "Visual_DurationUnit_Minutes"
+                            },
+                            {
+                                "value": "second",
+                                "displayName": "Seconds",
+                                "displayNameKey": "Visual_DurationUnit_Seconds"
+                            }
+                        ]
+                    }
                 }
             }
         },
diff --git a/package.json b/package.json
index 4ad3b27..93b7445 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "powerbi-visuals-gantt",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "description": "A Gantt chart is a type of bar chart which illustrates a project timeline or schedule. The Gantt Chart visual shows the Tasks, Start Dates, Durations, % Complete, and Resources for a project. The Gantt Chart visual can be used to show current schedule status using percent-complete shadings and a vertical \"TODAY\" line. The Legend may be used to group or filter tasks based upon data values.",
   "repository": {
     "type": "git",
diff --git a/pbiviz.json b/pbiviz.json
index ba150bb..359c42a 100644
--- a/pbiviz.json
+++ b/pbiviz.json
@@ -4,7 +4,7 @@
     "displayName": "Gantt",
     "guid": "Gantt1448688115699",
     "visualClassName": "Gantt",
-    "version": "1.0.2",
+    "version": "1.1.0",
     "description": "A Gantt chart is a type of bar chart which illustrates a project timeline or schedule. The Gantt Chart visual shows the Tasks, Start Dates, Durations, % Complete, and Resources for a project. The Gantt Chart visual can be used to show current schedule status using percent-complete shadings and a vertical \"TODAY\" line. The Legend may be used to group or filter tasks based upon data values.",
     "supportUrl": "http://community.powerbi.com",
     "gitHubUrl": "https://github.com/Microsoft/powerbi-visuals-gantt"
diff --git a/src/gantt.ts b/src/gantt.ts
index 2dc7359..0e3f908 100644
--- a/src/gantt.ts
+++ b/src/gantt.ts
@@ -106,7 +106,13 @@ module powerbi.extensibility.visual {
     const MillisecondsInAYear: number = 365 * MillisecondsInADay;
     const ChartLineHeight: number = 40;
     const PaddingTasks: number = 5;
-    const numberFormat = "#";
+
+    const GanttDurationUnitType = [
+        "day",
+        "hour",
+        "minute",
+        "second"
+    ];
 
     export interface Task extends SelectableDataPoint {
         id: number;
@@ -131,7 +137,6 @@ module powerbi.extensibility.visual {
     export interface GanttChartFormatters {
         startDateFormatter: IValueFormatter;
         completionFormatter: IValueFormatter;
-        durationFormatter: IValueFormatter;
     }
 
     export interface GanttViewModel {
@@ -428,7 +433,7 @@ module powerbi.extensibility.visual {
         * @param task All task attributes.
         * @param formatters Formatting options for gantt attributes.
         */
-        private static getTooltipInfo(task: Task, locale: string, formatters: GanttChartFormatters, timeInterval: string = "Days"): VisualTooltipDataItem[] {
+        private static getTooltipInfo(task: Task, locale: string, formatters: GanttChartFormatters, durationUnit: string): VisualTooltipDataItem[] {
             let tooltipDataArray: VisualTooltipDataItem[] = [];
 
             if (task.taskType) {
@@ -440,7 +445,9 @@ module powerbi.extensibility.visual {
                 tooltipDataArray.push({ displayName: "Start Date", value: formatters.startDateFormatter.format(task.start) });
             }
 
-            tooltipDataArray.push({ displayName: "Duration", value: `${formatters.durationFormatter.format(task.duration)} ${timeInterval}` });
+            const durationLabel: string = this.generateLabelForDuration(task.duration, durationUnit);
+
+            tooltipDataArray.push({ displayName: "Duration", value: durationLabel });
             tooltipDataArray.push({ displayName: "Completion", value: formatters.completionFormatter.format(task.completion) });
 
             if (task.resource) {
@@ -491,7 +498,6 @@ module powerbi.extensibility.visual {
 
             return <GanttChartFormatters>{
                 startDateFormatter: ValueFormatter.create({ format: dateFormat, cultureSelector }),
-                durationFormatter: ValueFormatter.create({ format: numberFormat }),
                 completionFormatter: ValueFormatter.create({ format: PercentFormat, value: 1, allowFormatBeautification: true })
             };
         }
@@ -530,7 +536,8 @@ module powerbi.extensibility.visual {
             taskTypes: TaskTypes,
             host: IVisualHost,
             formatters: GanttChartFormatters,
-            colors: IColorPalette
+            colors: IColorPalette,
+            settings: GanttSettings
         ): Task[] {
             const tasks: Task[] = [];
             const colorHelper: ColorHelper = new ColorHelper(
@@ -589,8 +596,11 @@ module powerbi.extensibility.visual {
                             identity: selectionId
                         };
 
-                        task.end = d3.time.day.offset(task.start, task.duration);
-                        task.tooltipInfo = Gantt.getTooltipInfo(task, host.locale, formatters);
+                        let durationUnit = settings.general.durationUnit;
+                        durationUnit = (GanttDurationUnitType.indexOf(durationUnit) !== -1 && durationUnit) || "day";
+
+                        task.end = d3.time[durationUnit].offset(task.start, task.duration);
+                        task.tooltipInfo = Gantt.getTooltipInfo(task, host.locale, formatters, settings.general.durationUnit);
 
                         tasks.push(task);
                     }
@@ -601,6 +611,45 @@ module powerbi.extensibility.visual {
             return tasks;
         }
 
+        /**
+         * Generate 'Duration' label for tooltip
+         * @param duration The duration of task
+         * @param durationUnit The duration unit for chart
+         */
+        private static generateLabelForDuration(duration: number, durationUnit: string): string {
+            let label: string = "";
+
+            const days: number = Math.floor(duration / 24);
+            label += days ? `${days} Days ` : ``;
+            if (durationUnit === "day") {
+                return `${duration} Days `;
+            }
+
+            const hours: number = duration - (days * 24);
+            label += hours ? `${hours} Hours ` : ``;
+            if (durationUnit === "hour") {
+                return duration >= 24
+                    ? label
+                    : `${duration} Hours`;
+            }
+
+            const minutes: number = duration - ((days * 24) + (hours * 60));
+            label += minutes ? `${minutes} Minutes ` : ``;
+            if (durationUnit === "minute") {
+                return duration >= 60
+                    ? label
+                    : `${duration} Minutes `;
+            }
+
+            const seconds: number = duration - (days * 24 + hours * 60 + minutes * 60);
+            label += seconds ? `${seconds} Seconds ` : ``;
+            if (durationUnit === "second") {
+                return duration >= 60
+                    ? label
+                    : `${duration} Seconds `;
+            }
+        }
+
         /**
         * Convert the dataView to view model
         * @param dataView The data Model
@@ -617,7 +666,7 @@ module powerbi.extensibility.visual {
 
             const taskTypes: TaskTypes = Gantt.getAllTasksTypes(dataView)
                 , formatters: GanttChartFormatters = this.getFormatters(dataView,  host.locale || null)
-                , tasks: Task[] = Gantt.createTasks(dataView, taskTypes, host, formatters, colors);
+                , tasks: Task[] = Gantt.createTasks(dataView, taskTypes, host, formatters, colors, settings);
 
             return {
                 dataView,
diff --git a/src/settings.ts b/src/settings.ts
index ca1c881..86255d1 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -40,6 +40,7 @@ module powerbi.extensibility.visual {
 
     export class GeneralSettings {
         groupTasks: boolean = false;
+        durationUnit: string = "day";
     }
 
     export class LegendSettings {
diff --git a/test/visualData.ts b/test/visualData.ts
index 5ac9d3c..e16ee9c 100644
--- a/test/visualData.ts
+++ b/test/visualData.ts
@@ -86,7 +86,7 @@ module powerbi.extensibility.visual.test {
         public static getRandomUniqueNumbers(count: number, min: number = 0, max: number = 1): number[] {
             let result: number[] = [];
             for (let i: number = 0; i < count; i++) {
-                result.push(getRandomNumber(min, max, result));
+                result.push(Math.floor(getRandomNumber(min, max, result)));
             }
 
             return result;
diff --git a/test/visualTest.ts b/test/visualTest.ts
index 0f1b712..d95a449 100644
--- a/test/visualTest.ts
+++ b/test/visualTest.ts
@@ -313,6 +313,74 @@ module powerbi.extensibility.visual.test {
         });
 
         describe("Format settings test", () => {
+            describe("General", () => {
+                describe("Duration units", () => {
+
+                    function checkDurationUnit(durationUnit: string) {
+                        const tasks: Task[] = d3
+                            .select(visualBuilder.element.get(0))
+                            .selectAll(".task")
+                            .data();
+
+                        tasks.forEach(task => {
+                            const dates: Date[] = d3
+                                .time[durationUnit]
+                                .range(task.start, task.end);
+                            expect(dates.length).toEqual(task.duration);
+                        });
+                    }
+
+                    function setDurationUnit(durationUnit) {
+                        dataView.metadata.objects = {
+                            general: {
+                                durationUnit: durationUnit
+                            }
+                        };
+                    }
+
+                    it("days", (done) => {
+                        let durationUnit: string = "day";
+                        setDurationUnit(durationUnit);
+
+                        visualBuilder.updateRenderTimeout(dataView, () => {
+                            checkDurationUnit(durationUnit);
+                            done();
+                        });
+                    });
+
+                    it("hours", (done) => {
+                        let durationUnit: string = "hour";
+                        setDurationUnit(durationUnit);
+
+                        visualBuilder.updateRenderTimeout(dataView, () => {
+                            checkDurationUnit(durationUnit);
+                            done();
+                        });
+                    });
+
+                    it("minutes", (done) => {
+                        let durationUnit: string = "minute";
+                        setDurationUnit(durationUnit);
+
+                        visualBuilder.updateRenderTimeout(dataView, () => {
+                            checkDurationUnit(durationUnit);
+                            done();
+                        });
+                    });
+
+                    it("seconds", (done) => {
+                        let durationUnit: string = "second";
+                        setDurationUnit(durationUnit);
+
+                        visualBuilder.updateRenderTimeout(dataView, () => {
+                            checkDurationUnit(durationUnit);
+                            done();
+                        });
+                    });
+
+                });
+            });
+
             describe("Data labels", () => {
                 beforeEach(() => {
                     dataView.metadata.objects = {