diff --git a/modules/monitoring/application/forms/Command/Common/ScheduleDowntimeCommandForm.php b/modules/monitoring/application/forms/Command/Common/ScheduleDowntimeCommandForm.php
new file mode 100644
index 000000000..d48b814e7
--- /dev/null
+++ b/modules/monitoring/application/forms/Command/Common/ScheduleDowntimeCommandForm.php
@@ -0,0 +1,153 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}}
+
+namespace Icinga\Module\Monitoring\Form\Command\Common;
+
+use DateTime;
+use DateInterval;
+use Icinga\Module\Monitoring\Form\Command\CommandForm;
+use Icinga\Web\Form\Element\DateTimePicker;
+use Icinga\Web\Form\Element\Number;
+
+/**
+ * Base class for downtime command forms on an Icinga instance
+ */
+abstract class ScheduleDowntimeCommandForm extends CommandForm
+{
+    /**
+     * Fixed downtime
+     */
+    const FIXED = 'fixed';
+
+    /**
+     * Flexible downtime
+     */
+    const FLEXIBLE = 'flexible';
+
+    /**
+     * (non-PHPDoc)
+     * @see \Icinga\Web\Form::createElements() For the method documentation.
+     */
+    public function createElements(array $formData = array())
+    {
+        $start = new DateTime;
+        $end = clone $start;
+        $end->add(new DateInterval('PT1H'));
+        $this->addElements(array(
+            array(
+                'textarea',
+                'comment',
+                array(
+                    'required'      => true,
+                    'label'         => mt('monitoring', 'Comment'),
+                    'description'   => mt(
+                        'monitoring',
+                        'If you work with other administrators, you may find it useful to share information about the'
+                            . ' the host or service that is having problems. Make sure you enter a brief description of'
+                            . ' what you are doing.'
+                    )
+                )
+            ),
+            new DateTimePicker(
+                'start',
+                array(
+                    'required'      => true,
+                    'label'         => t('Start Time'),
+                    'description'   => mt('monitoring', 'Set the start date and time for the downtime.'),
+                    'value'         => $start
+                )
+            ),
+            new DateTimePicker(
+                'end',
+                array(
+                    'required'      => true,
+                    'label'         => t('End Time'),
+                    'description'   => mt('monitoring', 'Set the end date and time for the downtime.'),
+                    'value'         => $end
+                )
+            ),
+            array(
+                'select',
+                'type',
+                array(
+                    'required'      => true,
+                    'autosubmit'    => true,
+                    'label'         => mt('monitoring', 'Type'),
+                    'description'   => mt(
+                        'monitoring',
+                        'If you select the fixed option, the downtime will be in effect between the start and end'
+                            . ' times you specify whereas a flexible downtime starts when the host or service enters a'
+                            . ' problem state sometime between the start and end times you specified and lasts as long'
+                            . ' as the duration time you enter. The duration fields do not apply for fixed downtimes.'
+                    ),
+                    'multiOptions' => array(
+                        self::FIXED     => mt('monitoring', 'Fixed'),
+                        self::FLEXIBLE  => mt('monitoring', 'Flexible')
+                    ),
+                    'validators' => array(
+                        array(
+                            'InArray',
+                            true,
+                            array(array(self::FIXED, self::FLEXIBLE))
+                        )
+                    )
+                )
+            )
+        ));
+        $this->addDisplayGroup(
+            array('start', 'end'),
+            'start-end',
+            array(
+                'decorators' => array(
+                    'FormElements',
+                    array('HtmlTag', array('tag' => 'div', 'class' => 'control-group'))
+                )
+            )
+        );
+        if (isset($formData['type']) && $formData['type'] === self::FLEXIBLE) {
+            $this->addElements(array(
+                new Number(
+                    'hours',
+                    array(
+                        'required'  => true,
+                        'label'     => mt('monitoring', 'Hours'),
+                        'value'     => 2,
+                        'min'       => -1
+                    )
+                ),
+                new Number(
+                    'minutes',
+                    array(
+                        'required'  => true,
+                        'label'     => mt('monitoring', 'Minutes'),
+                        'value'     => 0,
+                        'min'       => -1
+                    )
+                )
+            ));
+            $this->addDisplayGroup(
+                array('hours', 'minutes'),
+                'duration',
+                array(
+                    'legend'        => mt('monitoring', 'Flexible Duration'),
+                    'description'   => mt(
+                        'monitoring',
+                        'Enter here the duration of the downtime. The downtime will be automatically deleted after this'
+                            . ' time expired.'
+                    ),
+                    'decorators' => array(
+                        'FormElements',
+                        array('HtmlTag', array('tag' => 'div', 'class' => 'control-group')),
+                        array(
+                            'Description',
+                            array('tag' => 'span', 'class' => 'description', 'placement' => 'prepend')
+                        ),
+                        'Fieldset'
+                    )
+                )
+            );
+        }
+        return $this;
+    }
+}