diff --git a/skyglow.py b/skyglow.py
index e0435b49942b9a79607e87117b14ca1739e1ef93..1b03827bf90b2cde62fed40d50e103f3001cb87b 100755
--- a/skyglow.py
+++ b/skyglow.py
@@ -210,10 +210,10 @@ def init():
 	# timestring="09-09-2020 18:00"
 	# now = dt.strptime(timestring,'%m-%d-%Y %H:%M')
 
-	if( (now.month == 7) or (now.month == 8 and now.day <= 7 )):
+	if( (now.month == 7) or (now.month == 8 and now.day <= 18 )):
 		sunrise = 6
 		sunset = 21
-	elif( now.month == 8 or (now.month == 9 and now.day <= 4 )):
+	elif( now.month == 8 or (now.month == 9 and now.day <= 15 )):
 		sunrise = 7
 		sunset = 20
 	else: