User Manual
UMN:CLI
V8102
77
The following table shows the world time zone.
Time Zone
Country/City
Time Zone
Country/City
GMT-12
International Date Line West
GMT+12
Wellington, Fiji
GMT-11
Midway Island, Samoa, Pago Pago
GMT+11
Magadan, New Caledonia
GMT-10
Hawaii, Honolulu
GMT+10
Sydney, Brisbane, Hobart
GMT-9:30
Taiohae
GMT+9:30
Darwin
GMT-9
Anchorage, Gambier Islands
GMT+9
Seoul, Tokyo, Osaka
GMT-8
LA, Seattle, Vancouver
GMT+8
Beijing, Hong Kong, Singapore
GMT-7
Edmonton, Phoenix, Denver
GMT+7
Bangkok, Hanoi, Jakarta
GMT-6
Guatemala, Mexico City, New Orle-
ans, Chicago, Houston
GMT+6:30
Yangon
GMT+6
Almaty, Dhaka
GMT-5
New York, Miami, Boston, Ottawa,
Havana, Toronto, Washington DC
GMT+5:45
Kathmandu
GMT+5:30
Mumbai, New Delhi, Kolkata
GMT-4:30
Caracas
GMT+5
Karachi, Tashkent, Lahore
GMT-4
Santo Domingo, La Paz, San Juan
GMT+4:30
Kabul
GMT-3:30
St.John
’s
GMT+4
Dubai
GMT-3
Atlantic Time(DST), Brasillia
GMT+3:30
Tehran
GMT-2
Mid-Atlantic, Rio de Janeriro
GMT+3
Baghdad, Moscow, Riyadh
GMT-1
Azores, Praia
GMT+2
Cairo, Athens, Minsk, Helsinki
GMT / GMT0
London, Lisbon, Dublin, Casablanca
GMT+1
Berlin, Rome, Paris, Stockholm
UTC/ UCT/ Universal / Zulu /Greenwich
London, Lisbon, Dublin, Casablanca
Tab. 4.1
World Time Zone
To see a configured time zone, use the
show clock
command.
4.1.5.4
Network Time Protocol (NTP)
The network time protocol (NTP) provides a mechanism to synchronize time on comput-
ers across an internet. The specification for NTP is defined in RFC 1119.
To enable/disable the NTP function, use the following command.
Command
Mode
Description
ntp server
SERVER1
[
SERVER2
]
[
SERVER3
]
Global
Enables NTP function with a specified NTP server.
SERVER: server IP address (maximum 3 servers)
no ntp server
SERVER1
[
SERVER2
] [
SERVER3
]
Deletes a specified NTP server.
SERVER: server IP address
no ntp
Disables the NTP function.
!