diff --git a/scripts/timestamp.sh b/scripts/timestamp.sh
new file mode 100755
index 0000000..1c5a983
--- /dev/null
+++ b/scripts/timestamp.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+set -eu
+export TZ=EST
+date '+Last modified %H:%M:%S %Z on %B %d, %Y'