diff --git a/SydneyTide-python.py b/SydneyTide-python.py
index 0170bbc..90ac486 100644
--- a/SydneyTide-python.py
+++ b/SydneyTide-python.py
@@ -225,8 +225,8 @@ MSL=0.9952
 
 # Now do the maths
 
-start_time=datetime.datetime(2016,7,29,0,0,0)
-end_time=datetime.datetime(2016,7,30,0,0,0)
+start_time=datetime.datetime(2019,11,29,0,0,0)
+end_time=datetime.datetime(2019,12,5,0,0,0)
 
 time_step=datetime.timedelta(minutes=15)