diff --git a/README.md b/README.md
index f256c74e..5520c1bb 100644
--- a/README.md
+++ b/README.md
@@ -22,12 +22,16 @@ new SingleDateAndTimePickerDialog.Builder(context)
             //.displayMinutes(false)
             //.todayText("aujourd'hui")
             .displayListener(new SingleDateAndTimePickerDialog.DisplayListener() {
-                                @Override
-                                public void onDisplayed(SingleDateAndTimePicker picker) {
-                                     //retrieve the SingleDateAndTimePicker
-                                }
-                            })
-            
+                @Override
+                public void onDisplayed(SingleDateAndTimePicker picker) {
+                    // Retrieve the SingleDateAndTimePicker
+                }
+                                
+                @Override
+                public void onClosed(SingleDateAndTimePicker picker) {
+                    // On dialog closed 
+                }
+            })
             .title("Simple")
             .listener(new SingleDateAndTimePickerDialog.Listener() {
                 @Override
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f0377e3f..4b6b4a8e 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -8,7 +8,7 @@
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".SingleDatePickerMainActivity">
+        <activity android:name=".SingleDatePickerMainActivityWithDoublePicker">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/com/github/florent37/sample/singledateandtimepicker/SingleDatePickerMainActivityWithDoublePicker.java b/app/src/main/java/com/github/florent37/sample/singledateandtimepicker/SingleDatePickerMainActivityWithDoublePicker.java
index d543e691..c6846449 100644
--- a/app/src/main/java/com/github/florent37/sample/singledateandtimepicker/SingleDatePickerMainActivityWithDoublePicker.java
+++ b/app/src/main/java/com/github/florent37/sample/singledateandtimepicker/SingleDatePickerMainActivityWithDoublePicker.java
@@ -1,7 +1,9 @@
 package com.github.florent37.sample.singledateandtimepicker;
 
 import android.os.Bundle;
+import android.util.Log;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.github.florent37.singledateandtimepicker.SingleDateAndTimePicker;
 import com.github.florent37.singledateandtimepicker.dialog.DoubleDateAndTimePickerDialog;
@@ -45,6 +47,8 @@ public class SingleDatePickerMainActivityWithDoublePicker extends AppCompatActiv
     SingleDateAndTimePickerDialog.Builder singleBuilder;
     DoubleDateAndTimePickerDialog.Builder doubleBuilder;
 
+    private static String TAG = "SingleDatePickerMainActivityWithDoublePicker";
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -94,14 +98,19 @@ public void simpleTimeClicked() {
 
                 .displayMinutes(true)
                 .displayHours(true)
-                .displayDays(true)
+                .displayDays(false)
                 //.displayMonth(true)
                 //.displayYears(true)
 
                 .displayListener(new SingleDateAndTimePickerDialog.DisplayListener() {
                     @Override
                     public void onDisplayed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog displayed");
+                    }
 
+                    @Override
+                    public void onClosed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog closed");
                     }
                 })
 
@@ -138,7 +147,12 @@ public void simpleDateClicked() {
                 .displayListener(new SingleDateAndTimePickerDialog.DisplayListener() {
                     @Override
                     public void onDisplayed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog displayed");
+                    }
 
+                    @Override
+                    public void onClosed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog closed");
                     }
                 })
 
@@ -192,7 +206,12 @@ public void simpleClicked() {
                 .displayListener(new SingleDateAndTimePickerDialog.DisplayListener() {
                     @Override
                     public void onDisplayed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog displayed");
+                    }
 
+                    @Override
+                    public void onClosed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog closed");
                     }
                 })
 
@@ -268,7 +287,12 @@ public void singleDateLocaleClicked() {
                 .displayListener(new SingleDateAndTimePickerDialog.DisplayListener() {
                     @Override
                     public void onDisplayed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog displayed");
+                    }
 
+                    @Override
+                    public void onClosed(SingleDateAndTimePicker picker) {
+                        Log.d(TAG, "Dialog closed");
                     }
                 })
 
diff --git a/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/DoubleDateAndTimePickerDialog.java b/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/DoubleDateAndTimePickerDialog.java
index 4bd6cfcf..54d3c8c3 100644
--- a/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/DoubleDateAndTimePickerDialog.java
+++ b/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/DoubleDateAndTimePickerDialog.java
@@ -424,8 +424,8 @@ public DoubleDateAndTimePickerDialog setFocusable(boolean focusable) {
 
     private DoubleDateAndTimePickerDialog setTimeZone(TimeZone timeZone) {
         dateHelper.setTimeZone(timeZone);
-        pickerTab0.setTimeZone(timeZone);
-        pickerTab1.setTimeZone(timeZone);
+//        pickerTab0.setTimeZone(timeZone);
+//        pickerTab1.setTimeZone(timeZone);
         return this;
     }
 
diff --git a/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/SingleDateAndTimePickerDialog.java b/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/SingleDateAndTimePickerDialog.java
index 49263935..7307e624 100644
--- a/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/SingleDateAndTimePickerDialog.java
+++ b/singledateandtimepicker/src/main/java/com/github/florent37/singledateandtimepicker/dialog/SingleDateAndTimePickerDialog.java
@@ -64,6 +64,10 @@ public void onLoaded(View view) {
             @Override
             public void onClose() {
                 SingleDateAndTimePickerDialog.this.onClose();
+
+                if (displayListener != null) {
+                    displayListener.onClosed(picker);
+                }
             }
         });
     }
@@ -330,6 +334,7 @@ public interface Listener {
 
     public interface DisplayListener {
         void onDisplayed(SingleDateAndTimePicker picker);
+        void onClosed(SingleDateAndTimePicker picker);
     }
 
     public static class Builder {