diff --git a/timebot.ui b/timebot.ui
index a612509..ea5e72f 100644
--- a/timebot.ui
+++ b/timebot.ui
@@ -186,6 +186,16 @@
          <property name="focusPolicy">
           <enum>Qt::StrongFocus</enum>
          </property>
+         <property name="toolTip">
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Enter Date and Time with Format:&lt;/p&gt;&lt;p&gt;HH:MM&lt;br&gt;YYYY-MM-DDTHH:MM&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">QToolTip {
+  background-color: black;
+  color: white; 
+  border: black solid 1px
+}</string>
+         </property>
          <property name="text">
           <string/>
          </property>
diff --git a/timebot/ui/timebot.py b/timebot/ui/timebot.py
index b74a802..fceae28 100644
--- a/timebot/ui/timebot.py
+++ b/timebot/ui/timebot.py
@@ -111,6 +111,14 @@ class Ui_MainWindow(object):
         self.smartPunchTimeLineEdit.setMinimumSize(QSize(129, 0))
         self.smartPunchTimeLineEdit.setMaximumSize(QSize(129, 16777215))
         self.smartPunchTimeLineEdit.setFocusPolicy(Qt.StrongFocus)
+#if QT_CONFIG(tooltip)
+        self.smartPunchTimeLineEdit.setToolTip(u"<html><head/><body><p>Enter Date and Time with Format:</p><p>HH:MM<br>YYYY-MM-DDTHH:MM</p></body></html>")
+#endif // QT_CONFIG(tooltip)
+        self.smartPunchTimeLineEdit.setStyleSheet(u"QToolTip {\n"
+"  background-color: black;\n"
+"  color: white; \n"
+"  border: black solid 1px\n"
+"}")
         self.smartPunchTimeLineEdit.setMaxLength(30)
         self.smartPunchTimeLineEdit.setAlignment(Qt.AlignCenter)
 
