diff --git a/index.html b/index.html
index dd193db..9268a5f 100644
--- a/index.html
+++ b/index.html
@@ -166,6 +166,30 @@ <h2 id="config">
                             Array of numbers (ms), date strings (see&nbsp;<a href="http://dygraphs.com/date-formats.html" target="_blank">formats</a>), or Date objects
                         </td>
                     </tr>
+                    <tr>
+                        <td>
+                            <code>minDate</code>
+                        </td>
+                        <td>
+                            <code>undefined</code>
+                        </td>
+                        <td>
+                            Date strings (see&nbsp;<a href="http://dygraphs.com/date-formats.html" target="_blank">formats</a>), or Date objects.</br>
+                            Define minimum Date which the chart will show. If <code>undefined</code> the minimum date will be calculated from the <code>source</code>.
+                        </td>
+                    </tr>
+                     <tr>
+                        <td>
+                            <code>maxDate</code>
+                        </td>
+                        <td>
+                            <code>undefined</code>
+                        </td>
+                        <td>
+                            Date strings (see&nbsp;<a href="http://dygraphs.com/date-formats.html" target="_blank">formats</a>), or Date objects</br>
+                            Define maximum Date which the chart will show. If <code>undefined</code> the maxium date will be calculated from the <code>source</code>.
+                        </td>
+                    </tr>
                     <tr>
                         <td>
                             <code>navigate</code>
diff --git a/js/jquery.fn.gantt.js b/js/jquery.fn.gantt.js
index 564f419..113b0ad 100644
--- a/js/jquery.fn.gantt.js
+++ b/js/jquery.fn.gantt.js
@@ -174,6 +174,8 @@
         var settings = {
             source: [],
             holidays: [],
+            minDate : null,
+            maxDate : null,
             // paging
             itemsPerPage: 7,
             // localisation
@@ -1462,8 +1464,12 @@
                 case "days":
                     /* falls through */
                 default:
-                    maxDate.setHours(0);
-                    maxDate.setDate(maxDate.getDate() + 3);
+                    if (settings.maxDate == null) {
+                        maxDate.setHours(0);
+                        maxDate.setDate(maxDate.getDate() + 3);
+                    } else {
+                        maxDate = tools.dateDeserialize(settings.maxDate);
+                    }
                 }
                 return maxDate;
             },
@@ -1498,8 +1504,12 @@
                 case "days":
                     /* falls through */
                 default:
-                    minDate.setHours(0, 0, 0, 0);
-                    minDate.setDate(minDate.getDate() - 3);
+                    if (settings.minDate == null) {
+                        minDate.setHours(0, 0, 0, 0);
+                        minDate.setDate(minDate.getDate() - 3);
+                    } else {
+                        minDate = tools.dateDeserialize(settings.minDate);
+                    }
                 }
                 return minDate;
             },