diff --git a/hackathon_site/hackathon_site/utils.py b/hackathon_site/hackathon_site/utils.py
index 6a2d030..c26d54b 100644
--- a/hackathon_site/hackathon_site/utils.py
+++ b/hackathon_site/hackathon_site/utils.py
@@ -48,7 +48,7 @@ def get_curr_sign_in_time(use_description=False, return_exception=False):
 
 # assumes interval won't overlap between different months or years
 def get_sign_in_interval(time):
-    start_interval = time - relativedelta(hours=1)
+    start_interval = time - relativedelta(hours=2)
     end_interval = time + relativedelta(hours=3)
 
     if start_interval.day == end_interval.day: