diff --git a/docs/tips-and-tricks.html b/docs/tips-and-tricks.html
index 203c408..5ebb8ef 100644
--- a/docs/tips-and-tricks.html
+++ b/docs/tips-and-tricks.html
@@ -29,6 +29,14 @@ Retype new password:
 ...
 # resize2fs /dev/sdXXX2
 ...
+#
+</samp></pre>
+
+		<h3>Set time zone</h3>
+		<p>Set correct time zone to get correct system time.</p>
+<pre class="bg-dark text-light p-3"><samp># timedatectl set-timezone Europe/Stockholm
+...
+#
 </samp></pre>
 
 		<h3>perl: warning: Setting locale failed</h3>