diff --git a/examples/multi-query-handmade.sh b/examples/multi-query-handmade.sh
index f2b19f5..d642293 100755
--- a/examples/multi-query-handmade.sh
+++ b/examples/multi-query-handmade.sh
@@ -191,8 +191,8 @@ if [[ "$OSTYPE" == "linux-gnu" ]]; then
   BEFORE=`date --date="tomorrow" --iso-8601=seconds`
   AFTER=`date --date="1 day ago" --iso-8601=seconds`
 else
-  BEFORE=`date -v +1d +"%Y-%m-%dT%H:%M:%SZ"`
-  AFTER=`date -v -1d +"%Y-%m-%dT%H:%M:%SZ"`
+  BEFORE=`date -v +1d -u +%FT%TZ` 
+  AFTER=`date -v -1d -u +%FT%TZ`
 fi
 #echo "before: $BEFORE after: $AFTER"
 echo "Recommendations for user: u1"