CyberData 011460, Operation Manual, Page: 36 / 88

Operations Guide 931475A CyberData Corporation
Installing the SIP Weatherproof Keypad Phone
Setting up the Device
30
Time Zone String
Examples Table 2-8 has some more examples of time zone strings.
Time Zone Time Zone String
Tokyo
a
IST-9
Berlin
b
CET-1MET,M3.5.0/1:00,M10.5.0/1:00
Time Zone Identifier
A user-definable three or four character time zone identifier (such as PST, EDT, IST, MUT, etc) is
needed at the beginning of the posix time zone string to properly set the time. However, the specific
letters or numbers used for the time zone identifier are not important and can be any three or four
letter or number combination that is chosen by the user. However, the time zone identifier cannot be
blank.
Figure 2-15. Three or Four Character Time Zone Identifier
You can also use the following URL when a certain time zone applies daylight savings time:
http://www.timeanddate.com/time/dst/2011.html
World GMT Table Table 2-9 has information about the GMT time in various time zones.
Table 2-8. Time Zone String Examples
a.Tokyo does not use daylight savings time.
b.For Berlin, daylight savings time starts on the last Sunday in March at
01:00 UTC, and ends on the last Sunday in October at 01:00 UTC, and is one
hour ahead of UTC.
Table 2-9. World GMT Table
Time Zone City or Area Zone Crosses
GMT-12 Eniwetok
GMT-11 Samoa
GMT-10 Hawaii
GMT-9 Alaska
GMT-8 PST, Pacific US
GMT-7 MST, Mountain US
GMT-6 CST, Central US
GMT-5 EST, Eastern US
GMT-4 Atlantic, Canada
GMT-3 Brazilia, Buenos Aries
GMT-2 Mid-Atlantic
GMT-1 Cape Verdes
GMT Greenwich Mean Time, Dublin
GMT+1 Berlin, Rome
GMT+2 Israel, Cairo
GMT+3 Moscow, Kuwait
GMT+4 Abu Dhabi, Muscat