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Operation Guide 5239
L-5
x
Based on data as of December 2010.
x
The rules governing global times (UTC offset and GMT differential) and summer
time are determined by each individual country.
x
The summer time periods in this table are applicable to specifi c cities. For cities not
included in the list, select the list city that is in the same time zone as the desired city
and perform STD/DST settings manually.
L-4
City Code
City
UTC Offset/
GMT Differential
Summer Time Period
Summer Time
Start
Summer Time End
DUBAI
(DXB)
Dubai
+4
None
None
KABUL
( K B L )
Kabul
+4.5
KARACHI
( K H I )
Karachi
+5
DELHI
(DEL)
Delhi
+5.5
DHAKA
(DAC)
Dhaka
+6
YANGON
(RGN)
Yangon
+6.5
BANGKOK
(BKK)
Bangkok
+7
HONG KONG
(HKG) Hong Kong
+8
TOKYO
(TYO)
Tokyo
+9
ADELAIDE
(ADL)
Adelaide
+9.5
2:00 a.m., fi rst
Sunday in October
3:00 a.m., fi rst
Sunday in April
SYDNEY
(SYD)
Sydney
+10
NOUMEA
(NOU)
Noumea
+11
None
None
WELLINGTON
(WLG) Wellington
+12
2:00 a.m.,
last Sunday in
September
3:00 a.m., fi rst
Sunday in April
L-3
City Code
City
UTC Offset/
GMT Differential
Summer Time Period
Summer Time
Start
Summer Time End
F. DE NORONHA (FEN)
Fernando
de Noronha
–2
None
None
PRAIA
( R A I )
Praia
–1
UTC
0
LONDON
(LON)
London
1:00 a.m., last
Sunday in March
2:00 a.m., last
Sunday in October
PARIS
(PAR)
Paris
+1
2:00 a.m., last
Sunday in March
3:00 a.m., last
Sunday in October
ATHENS
(ATH)
Athens
+2
3:00 a.m., last
Sunday in March
4:00 a.m., last
Sunday in October
JEDDAH
( J E D )
Jeddah
+3
None
None
TEHRAN
(THR)
Tehran
+3.5
Midnight, March
22 or Midnight,
March 21
Midnight,
September 22
or Midnight,
September 21
L-2
City Code Table
City Code
City
UTC Offset/
GMT Differential
Summer Time Period
Summer Time
Start
Summer Time End
PAGO PAGO (PPG) Pago Pago
–11
None
None
HONOLULU
(HNL)
Honolulu
–10
ANCHORAGE
(ANC) Anchorage
–9
2:00 a.m., second
Sunday in March
2:00 a.m.,
fi rst Sunday in
November
LOS ANGELES ( L A X )
Los
Angeles
–8
DENVER
(DEN)
Denver
–7
CHICAGO
( C H I )
Chicago
–6
NEW YORK
(NYC) New York
–5
SANTIAGO
(SCL)
Santiago
–4
Midnight, second
Saturday in October
Midnight, second
Saturday in March
RIO
Rio De
Janeiro
–3
Midnight, third
Sunday in October
Midnight,third
Sunday in February
or Midnight,fourth
Sunday in February