diff --git a/05/chrony.conf b/05/chrony.conf
new file mode 100644
index 0000000..e6a7abc
--- /dev/null
+++ b/05/chrony.conf
@@ -0,0 +1,6 @@
+pool 0.de.pool.ntp.org iburst
+pool 2.de.pool.ntp.org iburst
+
+makestep 1 3
+rtcsync
+
diff --git a/05/chrony_apt.yml b/05/chrony_apt.yml
new file mode 100644
index 0000000..7cc054b
--- /dev/null
+++ b/05/chrony_apt.yml
@@ -0,0 +1,17 @@
+---
+- hosts: apt
+  tasks:
+
+    - name: Install Chrony
+      ansible.builtin.apt: name=chrony state=latest
+
+    - name: Copy config file
+      ansible.builtin.copy: src=chrony.conf dest=/etc/chrony/chrony.conf mode=0644 owner=root group=root backup=yes
+
+    - name: Restart Chrony with new config
+      ansible.builtin.service: name=chrony state=restarted
+
+    - name: Start Chrony at boot
+      ansible.builtin.service: name=chrony enabled=yes
+
+
diff --git a/05/chrony_yum.yml b/05/chrony_yum.yml
new file mode 100644
index 0000000..49ba5c5
--- /dev/null
+++ b/05/chrony_yum.yml
@@ -0,0 +1,16 @@
+---
+- hosts: yum
+  tasks:
+
+    - name: Install Chrony
+      ansible.builtin.yum: name=chrony state=latest
+
+    - name: Copy config file
+      ansible.builtin.copy: src=chrony.conf dest=/etc/chrony.conf mode=0644 owner=root group=root backup=yes
+
+    - name: Restart Chrony with new config
+      ansible.builtin.service: name=chronyd state=restarted
+
+    - name: Start Chrony at boot
+      ansible.builtin.service: name=chronyd enabled=yes
+
diff --git a/05/chrony_zypper_mit_python-xml_fuer_Py2.yml b/05/chrony_zypper_mit_python-xml_fuer_Py2.yml
new file mode 100644
index 0000000..93a6458
--- /dev/null
+++ b/05/chrony_zypper_mit_python-xml_fuer_Py2.yml
@@ -0,0 +1,22 @@
+---
+- hosts: zypper
+  tasks:
+
+    - name: "zypper module dependency (Py2 only)"
+      ansible.builtin.command: zypper -n install python-xml
+      args:
+        creates: /usr/lib*/python2.*/xml/dom/minidom.py
+      when: ansible_python.version.major|default(2) == 2
+
+    - name: Install Chrony
+      community.general.zypper: name=chrony state=latest
+
+    - name: Copy config file
+      ansible.builtin.copy: src=chrony.conf dest=/etc/chrony.conf mode=0644 owner=root group=root backup=yes
+
+    - name: Restart Chrony with new config
+      ansible.builtin.service: name=chronyd state=restarted
+
+    - name: Start Chrony at boot
+      ansible.builtin.service: name=chronyd enabled=yes
+
diff --git a/05/old.ntp/ntp.conf b/05/old.ntp/ntp.conf
new file mode 100644
index 0000000..6a183f3
--- /dev/null
+++ b/05/old.ntp/ntp.conf
@@ -0,0 +1,22 @@
+driftfile /var/lib/ntp/ntp.drift
+
+leapfile /usr/share/zoneinfo/leap-seconds.list
+
+statistics loopstats peerstats clockstats
+filegen loopstats file loopstats type day enable
+filegen peerstats file peerstats type day enable
+filegen clockstats file clockstats type day enable
+
+pool 0.debian.pool.ntp.org iburst
+pool 1.debian.pool.ntp.org iburst
+pool 2.debian.pool.ntp.org iburst
+pool 3.debian.pool.ntp.org iburst
+
+restrict -4 default kod notrap nomodify nopeer noquery limited
+restrict -6 default kod notrap nomodify nopeer noquery limited
+
+restrict 127.0.0.1
+restrict ::1
+
+restrict source notrap nomodify noquery
+
diff --git a/05/old.ntp/ntp_apt.yml b/05/old.ntp/ntp_apt.yml
new file mode 100644
index 0000000..a766135
--- /dev/null
+++ b/05/old.ntp/ntp_apt.yml
@@ -0,0 +1,17 @@
+---
+- hosts: apt
+
+  tasks:
+
+    - name: Install NTP
+      apt: name=ntp state=latest
+
+    - name: Copy ntp.conf
+      copy: src=ntp.conf dest=/etc/ntp.conf backup=yes
+
+    - name: Restart NTP
+      service: name=ntp state=restarted
+
+    - name: Enable NTP
+      service: name=ntp enabled=yes state=started
+
diff --git a/05/old.ntp/ntp_yum.yml b/05/old.ntp/ntp_yum.yml
new file mode 100644
index 0000000..0483df5
--- /dev/null
+++ b/05/old.ntp/ntp_yum.yml
@@ -0,0 +1,17 @@
+---
+- hosts: yum
+
+  tasks:
+
+    - name: Install NTP
+      yum: name=ntp state=latest
+
+    - name: Copy ntp.conf
+      copy: src=ntp.conf dest=/etc/ntp.conf backup=yes
+
+    - name: Restart NTP
+      service: name=ntpd state=restarted
+
+    - name: Enable NTP
+      service: name=ntpd enabled=yes state=started
+
diff --git a/05/old.ntp/ntp_zypper.yml b/05/old.ntp/ntp_zypper.yml
new file mode 100644
index 0000000..f647ad0
--- /dev/null
+++ b/05/old.ntp/ntp_zypper.yml
@@ -0,0 +1,23 @@
+---
+- hosts: zypper
+
+  tasks:
+
+    - name: "Python2: Zypper module dependency"
+      command: zypper -n install python-xml
+      args:
+        creates: /usr/lib*/python2.*/xml/dom/minidom.py
+      when: ansible_python.version.major == "2"
+
+    - name: Install NTP
+      zypper: name=ntp state=latest
+
+    - name: Copy ntp.conf
+      copy: src=ntp.conf dest=/etc/ntp.conf backup=yes
+
+    - name: Restart NTP
+      service: name=ntpd state=restarted
+
+    - name: Enable NTP
+      service: name=ntpd enabled=yes state=started
+