diff --git a/Makefile b/Makefile
index abd7ba8..44d8fec 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
 GSF=git submodule foreach
 TIME=time
 
+CHRONY_STATUS=chronyc tracking
+CHRONY_STATS=chronyc sources -v
+
 all: rebuild-switch
 	date
 ##--------- Commandes spécifiques pour NixOS
@@ -39,6 +42,11 @@ show-diff-with-current:
 show-roots:
 	nix-store --gc --print-roots
 
+show-time:
+	-@$(CHRONY_STATUS)
+	#CHRONY_STATUS='chronyc tracking' CHRONY_STATS='chronyc sources -v' ${CHRONY_STATS} && watch -d -n 20 "${CHRONY_STATUS} && echo "--" && ${CHRONY_STATS}"
+	-@watch -d -n 20 "$(CHRONY_STATUS) && echo "--" && $(CHRONY_STATS)"
+
 store-repair:
 	$(TIME) nix-store --verify --check-contents --repair