diff --git a/tests/grub_cmd_date.in b/tests/grub_cmd_date.in
index 0d8162e98..60f039ebc 100644
--- a/tests/grub_cmd_date.in
+++ b/tests/grub_cmd_date.in
@@ -9,7 +9,7 @@ if [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = sparc64-ieee1275 ];
 fi
 
 pdt="$(date -u +%s)"
-dt=`echo date | @builddir@/grub-shell`
+dt=`echo date | @builddir@/grub-shell | sed 's, [A-Z][a-z]*$,,'`
 dtg="$(date -u -d "$dt" +%s)"
 ndt="$(date -u +%s)"
 
diff --git a/tests/grub_cmd_sleep.in b/tests/grub_cmd_sleep.in
index 05b8f6b73..ac51d4209 100644
--- a/tests/grub_cmd_sleep.in
+++ b/tests/grub_cmd_sleep.in
@@ -11,8 +11,8 @@ fi
 # Compare RTC with interval timer.
 # Not 100% proper but should check that timer is running ok
 dt=`echo 'date; sleep 10; date' | @builddir@/grub-shell`
-dt1="$(date -u -d "$(echo "$dt" | head -n 1)" +%s)"
-dt2="$(date -u -d "$(echo "$dt" | tail -n 1)" +%s)"
+dt1="$(date -u -d "$(echo "$dt" | head -n 1 | sed 's, [A-Z][a-z]*$,,')" +%s)"
+dt2="$(date -u -d "$(echo "$dt" | tail -n 1 | sed 's, [A-Z][a-z]*$,,')" +%s)"
 
 # Ignore QEMU bug
 if [ "${grub_modinfo_target_cpu}" = arm ] && [ $((dt2 - dt1)) -ge 15 ] && [ $((dt2 - dt1)) -le 17 ]; then