diff --git a/q7/sysutils.py b/q7/sysutils.py
index d83d853..9bf1e02 100644
--- a/q7/sysutils.py
+++ b/q7/sysutils.py
@@ -2,14 +2,24 @@
 #!/usr/bin/python
 
 import binascii
+import time
+import datetime
 
 def xPrint(text):
     print(text, flush=True)
 
-def getDaySeconds(time_val, incdays):
+def getDaySeconds(time_val, incdays = 0):
     time_zone = 8
     return int((time_val + time_zone * 3600)/3600/24 + incdays) * 3600 * 24 - 3600 * time_zone;
 
+def getMondaySeconds(time_val):
+    dt_val = datetime.datetime.fromtimestamp(time_val)
+    day = dt_val.weekday()
+    if day == 0:
+        return getDaySeconds(time_val - (3600 * 24 * 6))
+    else:
+        return getDaySeconds(time_val - (3600 * 24 * (day - 1)))
+
 def crc32(data):
     hash_code = binascii.crc32(data)
     assert hash_code >= 0