diff --git a/tmbackupstate.sh b/tmbackupstate.sh
new file mode 100644
index 0000000..ead1aef
--- /dev/null
+++ b/tmbackupstate.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#WARNINGDAYS=14
+#CRITICALDAYS=30
+enabled=$(/usr/bin/defaults read /Library/Preferences/com.apple.TimeMachine AutoBackup)
+	if [ "$enabled" == "1" ];then
+		datetoday=$(date +%s)
+		lastBackupTimestamp=`date -j -f "%a %b %d %T %Z %Y" "$(/usr/libexec/PlistBuddy -c "Print Destinations:0:SnapshotDates" /Library/Preferences/com.apple.TimeMachine.plist | tail -n 2 | head -n 1 | awk '{$1=$1};1')" "+%s"`
+		difference=$(($datetoday-$lastBackupTimestamp))
+		TMDAYSSINCE=$(($difference/(3600*24)))
+		if (( $TMDAYSSINCE > $WARNINGDAYS ));
+			then
+                if (( $TMDAYSSINCE > $CRITICALDAYS ));
+					then
+                        TMBACKUPSTATE="CRITICAL"
+					else
+                        TMBACKUPSTATE="Warning"
+				fi;
+			else
+                 TMBACKUPSTATE="COMPLIANT"
+		fi;
+	else
+		TMBACKUPSTATE="Warning"
+	fi
+    
+export TMBACKUPSTATE