diff --git a/src/dynamic/editday.php b/src/dynamic/editday.php
new file mode 100644
index 0000000..3829b47
--- /dev/null
+++ b/src/dynamic/editday.php
@@ -0,0 +1,65 @@
+<?php
+require_once(__DIR__."/../core.php");
+security::checkType(security::ADMIN, security::METHOD_NOTFOUND);
+
+if (!isset($_GET["id"])) {
+  security::notFound();
+}
+
+$id = (int)$_GET["id"];
+
+$day = schedules::getDay($id);
+
+if ($day === false) {
+  security::notFound();
+}
+
+$empty = [];
+
+foreach (schedules::$allEvents as $date) {
+  $empty[$date] = (intervals::measure([$day["begins".$date], $day["ends".$date]]) == 0);
+}
+?>
+
+<form action="doeditdayschedule.php" method="POST" autocomplete="off">
+  <input type="hidden" name="id" value="<?=(int)$day["id"]?>">
+  <h4 class="mdl-dialog__title">Modificar horario</h4>
+  <div class="mdl-dialog__content">
+    <h5>Día</h5>
+    <div class="mdlext-selectfield mdlext-js-selectfield mdlext-selectfield--floating-label">
+      <select id="edit_day" class="mdlext-selectfield__select" disabled>
+        <?php
+        foreach (calendars::$days as $id => $tday) {
+          echo '<option value="'.(int)$id.'"'.($day["day"] == $id ? " selected" : "").'>'.security::htmlsafe($tday).'</option>';
+        }
+        ?>
+      </select>
+      <label for="edit_day" class="mdlext-selectfield__label">Día de la semana</label>
+    </div>
+    <br>
+    <div class="mdlext-selectfield mdlext-js-selectfield mdlext-selectfield--floating-label">
+      <select id="edit_type" class="mdlext-selectfield__select" disabled>
+        <?php
+        foreach (calendars::$types as $id => $type) {
+          if ($id == calendars::TYPE_FESTIU) continue;
+          echo '<option value="'.(int)$id.'"'.($day["typeday"] == $id ? " selected" : "").'>'.security::htmlsafe($type).'</option>';
+        }
+        ?>
+      </select>
+      <label for="edit_type" class="mdlext-selectfield__label">Tipo de día</label>
+    </div>
+
+    <h5>Jornada laboral</h5>
+    <p>De <input type="time" name="beginswork" <?=(!$empty["work"] ? " value='".schedules::sec2time($day["beginswork"])."'" : "")?> required> a <input type="time" name="endswork" <?=(!$empty["work"] ? " value='".schedules::sec2time($day["endswork"])."'" : "")?> required></p>
+
+    <h5>Desayuno</h5>
+    <p>De <input type="time" name="beginsbreakfast" <?=(!$empty["breakfast"] ? " value='".schedules::sec2time($day["beginsbreakfast"])."'" : "")?>> a <input type="time" name="endsbreakfast" <?=(!$empty["breakfast"] ? " value='".schedules::sec2time($day["endsbreakfast"])."'" : "")?>></p>
+
+    <h5>Comida</h5>
+    <p>De <input type="time" name="beginslunch" <?=(!$empty["lunch"] ? " value='".schedules::sec2time($day["beginslunch"])."'" : "")?>> a <input type="time" name="endslunch" <?=(!$empty["lunch"] ? " value='".schedules::sec2time($day["endslunch"])."'" : "")?>></p>
+  </div>
+  <div class="mdl-dialog__actions">
+    <button type="submit" class="mdl-button mdl-js-button mdl-js-ripple-effect mdl-button--primary">Modificar</button>
+    <button data-dyndialog-close class="mdl-button mdl-js-button mdl-js-ripple-effect cancel">Cancelar</button>
+  </div>
+</form>