diff --git a/Sports/Concept2/PM5/pm5conv.bash b/Sports/Concept2/PM5/pm5conv.bash
index 00389ac..fb75768 100755
--- a/Sports/Concept2/PM5/pm5conv.bash
+++ b/Sports/Concept2/PM5/pm5conv.bash
@@ -18,7 +18,7 @@ function printNonEmpty {
 function printTimestamp {
   timestamp="0x$1"
   year="$(( ((timestamp & 0xFE000000) >> 25) + 2000 ))"
-  day="$((   (timestamp & 0x01F00000) >> 21 ))"
+  day="$((   (timestamp & 0x01F00000) >> 20 ))"
   month="$(( (timestamp & 0x000F0000) >> 16 ))"
   hour="$((  (timestamp & 0x0000FF00) >> 8  ))"
   minute="$(( timestamp & 0x000000FF ))"