diff --git a/data/building-hours/7-3-cowling.yaml b/data/building-hours/7-3-cowling.yaml
index 22b7e8d83..29616d9fa 100644
--- a/data/building-hours/7-3-cowling.yaml
+++ b/data/building-hours/7-3-cowling.yaml
@@ -8,7 +8,7 @@ schedule:
       - {days: [Mo, Tu, We, Th], from: '7:30am', to: '11:00pm'}
       - {days: [Fr], from: '9:00am', to: '9:00pm'}
       - {days: [Sa], from: '10:00am', to: '8:00pm'}
-      - {days: [Su], from: '12:00pm', to: '11:00pm'}
+      - {days: [Su], from: '12:00pm', to: '6:00pm'}
 
 breakSchedule:
   fall: []