diff --git a/common/Define/Model/Date.php b/common/Define/Model/Date.php
new file mode 100644
index 0000000..ff544e2
--- /dev/null
+++ b/common/Define/Model/Date.php
@@ -0,0 +1,13 @@
+<?php
+namespace ProVM\Common\Define\Model;
+
+use Carbon\Carbon;
+
+trait Date {
+  public function date(\DateTime $date) {
+    if ($date === null) {
+      return Carbon::parse($this->date);
+    }
+    $this->date = $data->format('Y-m-d');
+  }
+}
diff --git a/common/Define/Model/DateTime.php b/common/Define/Model/DateTime.php
new file mode 100644
index 0000000..abbb9f1
--- /dev/null
+++ b/common/Define/Model/DateTime.php
@@ -0,0 +1,13 @@
+<?php
+namespace ProVM\Common\Define\Model;
+
+use Carbon\Carbon;
+
+trait DateTime {
+  public function date(\DateTime $date_time) {
+    if ($date_time === null) {
+      return Carbon::parse($this->date_time);
+    }
+    $this->date_time = $date_time->format('c');
+  }
+}
diff --git a/common/Define/Model/Time.php b/common/Define/Model/Time.php
new file mode 100644
index 0000000..3cea622
--- /dev/null
+++ b/common/Define/Model/Time.php
@@ -0,0 +1,13 @@
+<?php
+namespace ProVM\Common\Define\Model;
+
+use Carbon\Carbon;
+
+trait Time {
+  public function date(\DateTime $time) {
+    if ($time === null) {
+      return Carbon::parse($this->time);
+    }
+    $this->time = $time->format('H:i:s e');
+  }
+}