Standard (or Winter Time) Zones

 
GMT 
Military 
Phonetic 
Civilian Time Zones 
+0:00 
Zulu 
GMT - Greenwich Mean 
UT or UTC - Universal (Co-ordinated) 
WET - Western European 
+1:00 
Alpha 
WAT - West Africa
+2:00 
Bravo 
AT - Azores
+3:00 
Charlie 
 
+4:00 
  Delta 
AST - Atlantic Standard
+5:00 
  Echo 
EST - Eastern Standard. 
+6:00 
  Foxtrot 
CST - Central Standard
+7:00 
  Golf 
MST - Mountain Standard. 
+8:00 
  Hotel 
PST - Pacific Standard
+9:00 
j 
Juliet 
YST - Yukon Standard. 
+10:00 
  Kilo 
AHST - Alaska-Hawaii Standard 
CAT - Central Alaska 
HST - Hawaii Standard
+11:00 
  Lima 
NT - Nome. 
+12:00 
  Mike 
IDLW - International Date Line West
-1:00 
  November 
CET - Central European 
FWT - French Winter 
MET - Middle European 
MEWT - Middle European Winter 
SWT - Swedish Winter. 
-2:00 
  Oscar 
EET - Eastern European, USSR Zone 1
-3:00 
  Papa 
BT - Baghdad, USSR Zone 2 
-4:00 
  Quebec 
ZP4 - USSR Zone 3
-5:00 
  Romeo 
ZP5 - USSR Zone 4.
-6:00 
  Sierra 
ZP6 - USSR Zone 5. 
-7:00 
  Tango 
WAST - West Australian Standard. 
-8:00 
  Uniform 
CCT - China Coast, USSR Zone 7
-9:00 
  Victor 
JST - Japan Standard, USSR Zone 8
-10:00 
  Whiskey 
EAST - East Australian Standard 
GST - Guam Standard, USSR Zone 9
-11:00 
  X-ray 
 
-12:00 
  Yankee 
IDLE - International Date Line East 
NZST - New Zealand Standard 
NZT - New Zealand
 
 
 

 Summer Time (or Daylight Savings) Time Zones

There are many Daylight Savings Time (DST) time-zones, indexed by the zone hour value relative to both Greenwich Mean Time (GMT) and British Summer Time (BST).

 

GMT 
BST 
In Force (1997) 
Civilian Time 
-1:00 
+0:00 
March 30 -
October 26 
BST - British Summer.
+0:00 
+1:00 
 
 
+1:00 
+2:00 
 
 
+2:00 
+3:00 
 
 
+3:00 
+4:00 
  
ADT - Atlantic Daylight
+4:00 
+5:00 
  
EDT - Eastern Daylight.
+5:00 
+6:00 
 
CDT - Central Daylight
+6:00 
+7:00 
  
MDT - Mountain Daylight. 
+7:00 
+8:00 
  
PDT - Pacific Daylight.
+8:00 
+9:00 
 
YDT - Yukon Daylight.
+9:00 
+10:00 
  
HDT - Hawaii Daylight.
+10:00 
+11:00 
  
 
+11:00 
+12:00 
 
 
-2:00 
-1:00 
  
MEST - Middle European Summer 
MESZ - Middle European Summer 
SST - Swedish Summer 
FST - French Summer.
-3:00 
-2:00 
  
 
-4:00 
-3:00 
 
 
-5:00 
-4:00 
 
 
-6:00 
-5:00 
 
 
-7:00 
-6:00 
  
 
-8:00 
-7:00 
 
WADT - West Australian Daylight
-9:00 
-8:00 
 
 
-10:00 
-9:00 
 
 
-11:00 
-10:00 
  
EADT - Eastern Australian Daylight
-12:00 
-11:00 
  
 
-13:00 
-12:00 
 
NZDT - New Zealand Daylight.