diff --git a/util/date.py b/util/date.py
index e05b89b..0d112a7 100644
--- a/util/date.py
+++ b/util/date.py
@@ -27,6 +27,9 @@ from datetime import datetime
 def getTimeStamp():
     return int(time.time())
 
+def date2TimeStamp(d):
+    return int(time.mktime(d.timetuple()))
+
 
 def timeStamp2Date(ts, useGM=False):
     if ts is None: