JetStream  52-Port Gigabit Stackable L3 Managed Switch  CLI Guide 
 
UTC+08:00——  TimeZone for Beijing, Chongqing, Hong Kong, Urumqi, 
Singapore. 
UTC+09:00 —— TimeZone for Seoul, Irkutsk, Osaka, Sapporo, Tokyo. 
UTC+09:30 —— TimeZone for Darwin, Adelaide. 
UTC+10:00 —— TimeZone for Canberra, Melbourne, Sydney, Brisbane. 
UTC+11:00 —— TimeZone for Solomon Is., New Caledonia, Vladivostok. 
UTC+12:00 —— TimeZone for Fiji, Magadan, Auckland, Wellington. 
UTC+13:00 —— TimeZone for Nuku'alofa, Samoa. 
ntp-server
 —— The IP address for the Primary NTP Server. 
backup-ntp-server 
  —— The IP address for the Secondary NTP Server. 
Command Mode 
Global Configuration Mode 
Example 
Configure the system time mode as NTP, the time zone is UTC-12:00, the 
primary NTP server is 133.100.9.2 and the secondary NTP server is 
139.78.100.163: 
T3700G-52TQ(config)# system-time ntp UTC-12:00  133.100.9.2 
139.79.100.163 
22.3  system-time dst predefined 
Description 
The  system-time dst predefined command is used to select a predefined 
DST configuration and the configuration can be recycled.   
Syntax 
system-time dst predefined USA
 
| Europe 
Parameter 
USA
 
| Europe —— Predefined DST mode, with two options: USA and Europe. 
By default, the setting is “Europe”. 
The DST time periods which the two  predefined DST mode represents are 
displayed as follow: 
USA: Second Sunday in March, 02:00 – First Sunday in November, 02:00. 
Europe: Last Sunday in March, 01:00 - Last Sunday in October, 01:00. 
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