diff --git a/scavenger2022/core/templates/core/base.html b/scavenger2022/core/templates/core/base.html
index a28af01..c00c69d 100644
--- a/scavenger2022/core/templates/core/base.html
+++ b/scavenger2022/core/templates/core/base.html
@@ -24,10 +24,10 @@
                 d = (end - Date.now()) / 1000
                 start = false
               }
-              const hour = Math.round(d / 3600 % 24) - 1
-              const minute = Math.round(d / 60 % 60)
-              const second = Math.round(d % 60)
-              const day = Math.round(d % (3600*24) / (3600*24))
+              const day = Math.floor(d / 86400)
+              const hour = Math.floor((d - day * 86400) / 3600)
+              const minute = Math.floor((d - day * 86400 - hour * 3600) / 60)
+              const second = d % 60
               let s = ''
               if (day == 1) s += '1 day, '
               else if (day == 0);