Cisco: Configure Time and Timezones on Cisco IOS

Telnet to the router and apply command below
  • Feel free to use any other NTP servers

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sh clock
conf t
clock timezone EDT -5
clock summer-time EDT recurring
ntp server 192.5.41.41
ntp server 192.5.41.42
ntp server 64.73.32.134
ntp server 69.10.36.3
service timestamps log datetime localtime
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