NTP, Clock and Time Zones

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clock set
clock timezone
ntp
ntpdate
show clock
show ntp

clock set

	clock set <hh:mm:ss> [<yyyy/mm/dd>] Sets the time and date.
Syntax Description	hh:mm:ss	Time
Syntax Description	yyyy/mm/dd	Date
Default	N/A
Configuration Mode	config
History	1.5
Example	Copy Copied! `ufmapl [ mgmt-sa ] (config) # clock set 23:23:23 2012/12/15`
Related Commands	show clock
Notes	If not specified, the date will be left as is

clock timezone

	clock timezone [<zone word> [<zone word> [<zone word>] [<zone word>]]] Sets the system time zone. The time zone may be specified in one of three ways: A nearby city whose time zone rules to follow. The system has a large list of cities which can be displayed by the help and completion system. They are organized hierarchically because there are too many of them to display in a flat list. A given city may be required to be specified in two, three, or four words, depending on the city. An offset from UTC. This will be in the form UTC-offset UTC, UTC-offset UTC+<0-14>, UTC-offset UTC-<1-12>. UTC (Universal Time, which is almost identical to GMT), and this is the default time zone The no form of the command resets time zone to its default (GMT).
Syntax Description	zone word	The possible forms this could take include: continent, city, continent, country, city, continent, region, country, city, ocean, and/or island.
Default	GMT
Configuration Mode	config
History	1.5
Example	Copy Copied! `ufmapl [ mgmt-sa ] (config) # clock timezone America North United_States Other New_York`
Related Commands	show clock
Notes	If not specified, the date will be left as is

ntp

	ntp {disable \| enable \| {peer \| server} <ip-address> [version <number> \| disable]} no ntp {disable \| enable \| {peer \| server} <ip-address> [disable]} Configures NTP. The no form of the command negates NTP options.
Syntax Description	disable	Disables NTP
	enable	Enables NTP
	peer \| server	Configures an NTP peer or server node
	ip-address	IPv4 address
	version	Specifies the NTP version number of this peer. Possible values are 3 or 4.
Default	NTP is enabled NTP version number is 4
Configuration Mode	config
History	1.5
Example	Copy Copied! `ufmapl [ mgmt-sa ] (config) # no ntp peer 192.168.10.24 disable`
Related Commands	show ntp
Notes

ntpdate

	ntpdate <ip-address> Sets the system clock using the specified SNTP server.
Syntax Description	ip-address	IP address
Default	N/A
Configuration Mode	config
History	1.5
Example	Copy Copied! `ufmapl [ mgmt-sa ] (config) # ntpdate 192.168.10.10 15 Dec 17:25:40 ntpdate[15206]: adjust time server 192.168.10.10 offset -0.000092 sec`
Related Commands	show ntp
Notes	This is a one-time operation and does not cause the clock to be kept in sync on an ongoing basis. It will generate an error if SNTP is enabled since the socket it requires will already be in use.

show clock

	show clock Displays the current system time, date and time zone.
Syntax Description	N/A
Default	N/A
Configuration Mode	Any configuration mode
History	1.5
Example	Copy Copied! `ufmapl [ mgmt-sa ] (config) # show clock Time: 23:23:26 Date: 2012/12/15 Time zone: America North United_States Other New_York`
Related Commands	clock set clock timezone ntp ntpdate
Notes

show ntp

	show ntp Displays the current NTP settings.
Syntax Description	N/A
Default	N/A
Configuration Mode	Any configuration mode
History	1.5
Example	Copy Copied! `ufmapl [ mgmt-sa ] (config) # show ntp NTP is enabled. Clock is unsynchronized. No NTP peers or servers configured.`
Related Commands	ntp ntpdate
Notes

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