diff --git a/acronyms.tex b/acronyms.tex
index 1f201e7..e9efbd3 100644
--- a/acronyms.tex
+++ b/acronyms.tex
@@ -14,6 +14,7 @@
 \newacronym{cdp}{CDP}{Cisco Discovery Protocol}
 \newacronym{cli}{CLI}{Command Line Interface}
 \newacronym{cst}{CST}{Common Spanning Tree}
+\newacronym{cest}{CEST}{Central European Summer Time}
 \newacronym{cwdm}{CWDM}{}
 \newacronym{db}{DB}{Database}
 \newacronym{dhcp}{DHCP}{Dynamic Host Control Protocol}
@@ -42,6 +43,7 @@
 \newacronym{lacp}{LACP}{Link Aggregation Protocol}
 \newacronym{lan}{LAN}{Local Area Network}
 \newacronym{mac}{MAC}{Media Access Control address}
+\newacronym{metdst}{METDST}{Middle European Time Daylight Saving Time}
 \newacronym{mkc}{MKC}{Mikkel Krĝll}
 \newacronym{mpls}{MPLS}{Multiprotocol Label Switching}
 \newacronym{mst}{MST}{Multiple Spanning Tree}
diff --git a/chapter/ntp.tex b/chapter/ntp.tex
index e9e1b7f..2ae37b3 100644
--- a/chapter/ntp.tex
+++ b/chapter/ntp.tex
@@ -2,6 +2,20 @@
 
 \gls{ntp} is the source of all evil and \gls{sla}. A network wide source of time configuration for all network nodes, servers, clients etc. is necessary.
 
+\textbf{Configure timezone}\\In this case it\tsq{s} for \gls{metdst}\textbf{:}
+
+\begin{txt}
+clock timezone MET 1 0
+clock summer-time MET-DST recurring last Sun Mar 2:00 last Sun Oct 3:00
+\end{txt}
+
+\textbf{Configure used timezone}\\when doing logging and debugging operations\textbf{:}
+
+\begin{txt}
+service timestamps debug datetime msec localtime show-timezone
+service timestamps log datetime msec localtime show-timezone
+\end{txt}
+
 \section{The old NTP from \tsq{85}}
 
 \section{Secure NTP}
diff --git a/structure.tex b/structure.tex
index 599b2f5..7e97878 100644
--- a/structure.tex
+++ b/structure.tex
@@ -171,7 +171,7 @@
 }
 
 
-\geometry{a4paper,margin=2cm}
+\geometry{a4paper,margin=1.5cm}
 \setlength{\columnsep}{1.5cm} %space between columns
 \setlength{\headheight}{15pt}
 \setlength{\footnotesep}{0.5cm} %space between footnotes: