Extreme Networks ExtremeWare XOS Guide Manual page 95

NTP updates are distributed using GMT time. To properly display the local time in logs and other time-
stamp information, the switch should be configured with the appropriate offset to GMT based on
geographical location. Table 15
Table 15: Greenwich Mean Time offsets
GMT
Offset in GMT Offset
Hours in Minutes
+0:00 +0
-1:00 -60
-2:00 -120
-3:00 -180
-4:00 -240
-5:00 -300
-6:00 -360
-7:00 -420
-8:00 -480
-9:00 -540
-10:00 -600
-11:00 -660
-12:00 -720
+1:00 +60
+ 2:00 +120
+3:00 +180
+4:00 +240
+5:00 +300
+5:30 +330
+6:00 +360
+7:00 +420
+8:00 +480
+9:00 +540
ExtremeWare XOS 11.3 Concepts Guide
lists GMT offsets.
Common Time Zone References
GMT - Greenwich Mean
UT or UTC - Universal (Coordinated)
WET - Western European
WAT - West Africa
AT - Azores
AST - Atlantic Standard
EST - Eastern Standard
CST - Central Standard
MST - Mountain Standard
PST - Pacific Standard
YST - Yukon Standard
AHST - Alaska-Hawaii Standard
CAT - Central Alaska
HST - Hawaii Standard
NT - Nome
IDLW - International Date Line West
CET - Central European
FWT - French Winter
MET - Middle European
MEWT - Middle European Winter
SWT - Swedish Winter
EET - Eastern European, Russia Zone 1
BT - Baghdad, Russia Zone 2
ZP4 - Russia Zone 3
ZP5 - Russia Zone 4
IST - India Standard Time
ZP6 - Russia Zone 5
WAST - West Australian Standard
CCT - China Coast, Russia Zone 7
JST - Japan Standard, Russia Zone 8
Using the Simple Network Time Protocol
Cities
London, England; Dublin, Ireland;
Edinburgh, Scotland; Lisbon, Portugal;
Reykjavik, Iceland; Casablanca, Morocco
Cape Verde Islands
Azores
Brasilia, Brazil; Buenos Aires, Argentina;
Georgetown, Guyana
Caracas; La Paz
Bogota, Columbia; Lima, Peru; New York,
NY, Trevor City, MI USA
Mexico City, Mexico
Saskatchewan, Canada
Los Angeles, CA, Santa Clara, CA,
Seattle, WA USA
Paris France; Berlin, Germany;
Amsterdam, The Netherlands; Brussels,
Belgium; Vienna, Austria; Madrid, Spain;
Rome, Italy; Bern, Switzerland;
Stockholm, Sweden; Oslo, Norway
Athens, Greece; Helsinki, Finland;
Istanbul, Turkey; Jerusalem, Israel;
Harare, Zimbabwe
Kuwait; Nairobi, Kenya; Riyadh, Saudi
Arabia; Moscow, Russia; Tehran, Iran
Abu Dhabi, UAE; Muscat; Tblisi;
Volgograd; Kabul
New Delhi, Pune, Allahabad, India
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