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Cisco SIP IP Phone Administrator Guide
Chapter 3 Managing Cisco SIP IP Phones
Setting the Date, Time, and Daylight Saving Time
See
Table 3-8
and
Table 3-9
for an explanation on how these values work, depending on the
sntp_server parameter value.
•
time_zone—(Required) Time zone in which the phone is located. Valid values are the time zone
abbreviations shown in
Table 3-10
. These abbreviations are case sensitive and must be in all capital
letters.
Table 3-10
Time Zone Abbreviations
Abbreviation
GMT Offset
Cities
Time Zone Names
IDL
GMT-12:00
Eniwetok
IDL (International Date Line),
IDLW (International Date Line West)
NT
GMT-11:00
Midway
BT (Bering Time), NT (Nome Time)
AHST
GMT-10:00
Hawaii
AHST (Alaska-Hawaii Standard Time),
HST (Hawaiian Standard Time),
CAT (Central Alaska Time)
IMT
GMT-09:30
Isle Marquises
Isle Marquises
YST
GMT-09:00
Yukon
YST (Yukon Standard Time)
PST
GMT-08:00
Los Angeles
PST (Pacific Standard Time),
MST
GMT-07:00
Phoenix
MST (Mountain Standard Time),
PDT (Pacific Daylight Time)
CST
GMT-06:00
Dallas, Mexico City
CST (Central Standard Time),
MDT (Mountain Daylight Time), Chicago
EST
GMT-05:00
New York
EST (Eastan Standard Time),
CDT (Central Daylight Time), NYC
AST
GMT-04:00
La Paz
AST (Atlantic Standard Time),
EDT (Eastan Daylight Time)
NST
GMT-03:30
Newfoundland
NST (Newfoundland Standard Time)
BST
GMT-03:00
Buenos Aires
BST (Brazil Standard Time),
ADT ( Atlantic Daylight Time),
GST (Greenland Standard Time)
AT
GMT-02:00
Mid-Atlantic
AT (Azores Time)
WAT
GMT-01:00
Azores
WAT (West Africa Time)
GMT
GMT 00:00
London
GMT (Greenwich Mean Time),
WET (Western European Time),
UT (Universal Time)
CET
GMT+01:00
Paris
CET (Central European Time),
MET (Middle European Time),
BST (British Summer Time),
MEWT( Middle European Winter Time),
SWT (Swedish Winter Time),
FWT (French Winter Time)
EET
GMT+02:00
Athens, Rome
EET (Eastean European Time),
USSR-zone1,
MEST (Middle European Summer Time),
FST (French Summer Time)
